| 单词 | 测定 |
| 释义 | 〔bolometer〕An instrument that measures radiant heat by correlating the radiation-induced change in electrical resistance of a blackened metal foil with the amount of radiation absorbed.辐射热测定器：一种使涂黑金属箔电阻辐射的变化与其接受辐射数量相互关联以测定辐射热量的仪器〔plumb〕To determine the depth of with a plumb; sound.测量深度：用铅锤来测定深度；测量深度〔range〕To determine the distance of (a target).确定射程：测定（目标等）的距离〔plethysmograph〕An instrument that measures variations in the size of an organ or body part on the basis of the amount of blood passing through or present in the part.体积描记器：以某一器官或肢体中的血量或通过它的血量为基础测定其体积变化的一种仪器〔occultation〕An observational technique for determining the position or radiant structure of a celestial source so occulted:掩星法：一种观测技术，用来测定在星掩情况下一天体的方位或射线结构：〔bracket〕The distance between two impacting shells, the first aimed beyond a target and the second aimed short of it, used to determine the range for artillery fire.夹叉射击距：两个冲击弹着点之间的距离，其一瞄准一个目标，其二瞄准近一些的地方，用于测定大炮的射击范围〔ton〕A unit of capacity for cargo in maritime shipping, normally estimated at 40 cubic feet.登记吨：海运中测定装货能力的单位，通常被确定为四十立方英尽〔occultation〕a lunar occultation of a quasar.类星体的月星掩测定〔Hero〕Alexandrian scientist who invented many water-driven and steam-driven machines and devised a formula for determining the area of a triangle.希罗：亚历山大时期的科学家，发明了许多水动力机和蒸汽动力机并想出了测定三角形面积的公式〔microdensitometer〕An extremely sensitive densitometer used to detect on a film or photographic plate spectrum lines too faint to be seen by the human eye.显微光密度计；测微密度计：一种极其敏感的密度计，用以测定电影或摄影感光版中人眼看不到的微弱光谱线〔Gilbert〕American biologist. He shared a 1980 Nobel Prize for developing methods of mapping the structure and function of DNA.吉尔伯特，沃尔特：(生于 1932) 美国生物学者，他因发展测定DNA的结构和功能的方法而分享了1980年的诺贝尔奖〔bracket〕To fire beyond and short of (a target) in order to determine artillery range.夹叉射击：为测定大炮射击范围而进行夹叉射击（一目标）〔quantitate〕To determine or measure the quantity of.确定或测定…的数量〔potentiometer〕An instrument for measuring an unknown voltage by comparison to a standard voltage.电势计，电位计：通过与标准电压相比较而来测定未知电压的仪器〔turbidimeter〕An instrument for measuring the loss in intensity of a light beam through a solution that contains suspended particulate matter.浊度计：测量和比较液体浊度的仪器，其方法是观察通过含有悬浮物质的溶液的光，并测定其亮度的损失〔ballistocardiograph〕A device used to determine the volume of blood passing through the heart in a specific period of time and the force of cardiac contraction by measuring the body's recoil as blood is ejected from the ventricles with each heartbeat.心脏射出容量描计器：通过对每一次心跳从心室射出的血液产生的对身体的反弹，来测定在一指定时间内通过心脏的血流量和心脏收缩力的仪器〔timepiece〕An instrument, such as a clock or watch, that measures, registers, or records time.计时器：一种用来测定、登记或记录时间的器具，比如钟或表〔Michel〕German biochemist. He shared a 1988 Nobel Prize for determining the structure of complex proteins that are essential to photosynthesis.迈克尔，哈特：(生于 1948) 德国生物化学家，因测定对光合作用极其重要的复合蛋白的结构而与人共获诺贝尔奖〔galvanometer〕An instrument used to detect, measure, and determine the direction of small electric currents by means of mechanical effects produced by a coil in a magnetic field.检流计，电流计：一种仪器，用以探测、测量和测定微小电流方向，采用线圈在磁场中产生的机械效果的方法〔inclinometer〕An instrument used to determine the angle of the earth's magnetic field in respect to the horizontal plane.磁倾仪：用来测定地球磁场相对于水平面的角度的仪器〔microanalysis〕The chemical identification and analysis of extremely small quantities of matter.微量分析：对于极其微量物质的化学成分测定及分析〔aerometer〕An instrument for determining the weight and density of air or another gas.气体比重计：测定空气或其他气体的重量及密度的仪器〔titration〕The process, operation, or method of determining the concentration of a substance in solution by adding to it a standard reagent of known concentration in carefully measured amounts until a reaction of definite and known proportion is completed, as shown by a color change or by electrical measurement, and then calculating the unknown concentration.滴定：一种测定溶液中一种物质浓度的过程、操作或方法，在该溶液中以经过仔细测量的剂量加入一种已知浓度的标准试剂，直到一个已知比例确定的反应结束为止，如通过颜色变化或测量所显示，然后再计算未知的浓度〔zoometry〕Measurement and comparison of the sizes and proportions of animals or animal parts.动物测定：指对动物或其身体部位的大小和比例进行测定和比较〔monitor〕To test (air or an object's surface, for example) for radiation intensity.测定…的辐射强度：测定（例如，空气或物体表面）的辐射强度〔sclerometer〕An instrument used to determine the relative hardness of a material by measuring the pressure required to penetrate the material with a standard diamond stylus.硬度计：用标准钻石刀来测定穿透物质所需压力来决定矿石相对硬度的一种工具〔atmometer〕An instrument that measures the rate of water evaporation.汽化计，蒸发计：测定水蒸发速率的仪器〔tare〕To determine or indicate the tare of, especially to weigh in order to find out the tare.测定或标出…的皮重，尤指为了算出此重而去称…的重量〔coulometry〕An analytical method for determining the amount of a substance released during electrolysis in which the number of coulombs used is measured.库仑测定法，电量测定法：一种分析方法，用测量消耗的库仑数来测定电解过程中释放出的物质的量〔spectrophotometer〕An instrument used to determine the intensity of various wavelengths in a spectrum of light.分光光度计：用来测定光谱中各种波长之强度的仪器〔titer〕Concentration of a substance in solution or the strength of such a substance determined by titration.滴定度：用滴定的方式测定的一种物质的溶液浓度或这种物质的浓度〔calorimeter〕An apparatus for measuring the heat generated by a chemical reaction, change of state, or formation of a solution.量热计：一种装置，用于测定化学反应、状态变化或一溶解过程所产生的热量〔estimate〕Assay refers to careful examination,especially to chemical analysis of an ore to determine its quality, fineness, or purity: Assay 指的是细致的检测，尤指对矿石进行化学分析来测定其质量，优良度以及纯度： 〔spirometer〕An instrument for measuring the volume of air entering and leaving the lungs.肺活量计：用来测定肺部吸入和呼出的空气容量的仪器〔Babcock〕American agricultural chemist who developed the Babcock test for determining the fat content of milk.巴布科克，斯蒂芬·穆尔顿：(1843-1931) 美国农业化学家，他发现了测定牛奶含脂量的巴布科克试验〔Makalu〕A mountain, 8,476 m (27,790 ft) high, in the Himalaya Mountains of northeast Nepal. It was first scaled in 1955.马卡卢峰：尼泊尔东北部喜马拉亚山脉的一座山峰，海拔8,476米(27,790英尺），最早于1955年被测定高度〔isooctane〕A highly flammable liquid, (CH3) 2CHCH 2C(CH 3) 3, used to determine the octane ratings of fuels. 异辛烷：一种极易燃烧的液体，(CH3) 2CHCH 2C(CH 3) 3，用来测定燃料的辛烷等级 〔cubature〕The determination of the cubic contents of a solid.求体积法：对某一固体体积的测定〔shoot〕shot the star.测定星星的高度〔galvanoscope〕An instrument used to detect the presence and determine the direction of electric currents by the deflection of a magnetic needle.验电器：一种利用磁针的偏传检测电流存在及测定其方向的仪器 |
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