I. mass [mæs] 名词
1. mass usu 单数 (formless quantity):
2. mass usu 单数 (large quantity):
II. mass [mæs] 名词 modifier
1. mass (on large scale):
2. mass 科:
III. mass [mæs] 动词 不及物动词
- mass troops
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Mass. 美
Mass 缩略自： Massachusetts
| I | mass |
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| you | mass |
| he/she/it | masses |
| we | mass |
| you | mass |
| they | mass |
| I | massed |
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| you | massed |
| he/she/it | massed |
| we | massed |
| you | massed |
| they | massed |
| I | have | massed |
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| you | have | massed |
| he/she/it | has | massed |
| we | have | massed |
| you | have | massed |
| they | have | massed |
| I | had | massed |
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| you | had | massed |
| he/she/it | had | massed |
| we | had | massed |
| you | had | massed |
| they | had | massed |
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单语范例（未经PONS编辑处理）
His periodic table had the form of a spiral and the elements were placed into the structure according to their atomic mass.
en.wikipedia.org However, atomic weight, ie, relative atomic mass, is a dimensionless quantity, and can not take the units of grams per mole.
en.wikipedia.org Before the discovery of isotopes, empirically determined noninteger values of atomic mass confounded scientists.
en.wikipedia.org It is numerically equal to the relative atomic mass (or atomic weight) in grams.
en.wikipedia.org O, where the 16, 17 and 18 refer to the atomic mass.
en.wikipedia.org 互联网提供的例句（未经PONS编辑处理）
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www.ptb.de The aim of the Avogadro project therefore is to arrive at a redefinition of the unit of mass on the basis of atomic masses, and the project coordinates investigations in sub-areas carried out in different PTB departments.
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Das Projekt verfolgt daher die Aufgabe, eine Neudefinition der Masseeinheit auf der Grundlage von Atommassen zu realisieren, und koordiniert die dazu in unterschiedlichen Fachbereichen durchgeführten Teiluntersuchungen.
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www.ptb.de The isotopic composition and the molar mass are measured in Working Group ( WG ) 3.11 “ Inorganic Analysis ” using isotope-dilution mass spectrometry ( IDMS ) ( the relative atomic masses of the naturally existing silicon isotopes 28Si, 29Si and 30Si are known accurately enough from different measurements ).
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Das Isotopenverhältnis und die molare Masse werden in der PTB-Arbeitsgruppe ( AG ) 3.11 „ Anorganische Analytik “ mittels Isotopenverdünnungs-Massenspektrometrie ( IDMS ) gemessen. ( Die relativen Atommassen der natürlich vorkommenden Silicium-Isotope 28Si, 29Si und 30Si sind aus anderen Messungen genau genug bekannt. )
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www.ptb.de Working Group " X-ray Optics " therefore also pursues the aim to fulfil the pre-condition for a redefinition of the unit of mass on the basis of atomic masses.
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Die Arbeitsgruppe Röntgenoptik verfolgt daher auch die Aufgabe, die Voraussetzung für eine Neudefinition der Masseeinheit auf der Grundlage von Atommassen zu realisieren.
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www.mineralienatlas.de Are specified in the formula REE rare earth these are valued at 144u atomic mass.
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Sind in der Formel Seltenerden REE angegeben werden diese mit 144u Atommasse bewertet.