mass n. 弥撒;弥撒的仪式[祷告、音乐];弥撒曲。 a high [solemn] Mass (有烧香、奏乐等的)大弥撒。 a low [private] Mass (无烧香、奏乐的)小弥撒。 by the Mass 一定,的确。 say [read] Mass 作弥撒,念经。 n. 1.块,堆,团。 2.群众,集团;〔the masses〕群众;民众。 3.大量;大宗;众多;〔the mass〕大部分,大半;主体;总体。 4.【物理学】质量。 5.【军事】集团纵队,密集队形。 6.【矿物】体。 a mass of earth 一大块泥土。 a mass of letters 一大堆信件。 The masses have boundless creative power. 人民群众有无限的创造力。 a mass of manoeuvre 实施机动集团。 proper mass 静质量。 the masses 群众,大众。 be mass of 一团…,全身…,遍体…(He is a mass of bruises. 他遍体鳞伤)。 from the masses, to the masses 从群众中来,到群众中去。 in the mass 整个儿地;总体上,合计。 the (great) mass of... …的大部分。 to be at one with the masses 同群众打成一片。 vt. 使成一团;集中(力量等);【军事】使密集。 vi. 集中,聚集。 massed body 【军事】密集部队。 massed formation 【军事】密集队形。 mass action 【物理学】质量作用;浓度作用。
Stationary source emissions - determination of low range mass concentration of dust - part 1 : manual gravimetric method ; german version en 13284 - 1 : 2001 固定源辐射.小范围粉尘质量浓度测定.第1部分:手工称
The analysis of air quality and the relationship between particulate mass concentrations and meteorology condition of the typical cities in china 中国典型城市2004年大气质量及颗粒物浓度与气象条件关系分析
Stationary source emissions - determination of low range mass concentration of dust - part 2 : automated measuring systems ; german version en 13284 - 2 : 2004 固定源辐射.粉尘的小范围质量浓度的测定.第2部分:自
Standard test method for determination of mass concentration of particulate matter from stationary sources at low concentrations manual gravimetric method 低浓度下来源于固定源的颗粒物质质量测定的标准试验方法
Stationary source emissions - automated monitoring of mass concentrations of particles - performance characteristics , test methods and specifications 固定辐射源.颗粒质量富集的自动监控.性能特性试验方法和规范
Methods for measurement of air pollution - determination of the mass concentration of nitrogen oxides in ambient air : chemiluminescence method 空气污染的测量方法.第9部分:环境空气中氧化氮质量浓度的测定:化学荧光法
Stationary source emissions - determination of the mass concentration of pcdds pcdfs and dioxin - like pcbs - part 1 : sampling of pcdds pcdfs 固定源排放. pcdds pcdfs和类二氧芑pcbs质量浓度测定.第1部分: pcdds pcdfs的取样
Standard test method for microvacuum sampling and indirect analysis of dust by transmission electron microscopy for asbestos mass concentration 用透射电子显微镜对尘埃中石棉质量浓度作微真空取样和间接分析的标准试验方法
Work - place air . determination of mass concentration nitrogen dioxide . method using detector tubes for short - term sampling with direct indication 工作场所空气.二氧化氮浓度的测定.使用检测管进行直接显示的短时间取样方法
Stationary source emissions - determination of the mass concentration of individual gaseous organic compounds - activated carbon and solvent desorption method 固定源辐射.测定单个有机化合物的质量浓度.活性碳和溶质吸收法