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presence

美国发音:['prezəns]
英国发音:['prez(ə)ns]

[n]
英语解释:the existence of someone or something in a particular place
常见翻译:在,存在,实在;存在的人[物]



Sentences:

This will help to overcome problems of apparent bimodality caused by the presence of many below-detection-limit values in a data set.
这将有助于克服因数据组中有大量低于捡出限的数值而出双模态性的问题。
Alkanes can be chlorinated or brominated by treatment with chlorine or bromine in the presence of visible or uv light.
烷在可见光或紫外光的照射下,用氯或溴处理能氯化或溴化。
Partly because I wished to forget her depressing presence I began to look at the evening paper.
我开始看晚报也许出于我想忘掉那令人压抑的她的存在。
Relatively few foresters or tree breeders consider the presence of edaphic ecotypes.
考虑到存在土壤生态型的林学家或树木育种家相当少。
How empty is theory in presence of fact!
跟事实一比,理论就显得太空洞了。
Recently the reactivity of nitric esters in the presence of hydrazine has been investigated.
人们近来研究了有肼存在时硝酸酯的反应性。
She hated London now, and the flat, the room must be horribly bare without the joyous presence of Gerald.
如今她憎厌伦敦,憎厌这套公寓房间;失去了快活的杰拉尔德,这几间房一定会沉闷得可怕。
The initial requirements involved the belief that the presence of a duplex or 'necklace' structure was intolerable from a low cycle fatigue aspect.
最初有人认为从低周疲劳性能的角度来说双层或“项链”组织是绝对不行的。
The presence of a nodular liver at the time of examination may be revealing.
检查时肝脏的结节可能有启示性。
The presence of a nonvolatile solute in a liquid always lowers the vapor pressure of the solution.
溶液中存在的非挥发性溶质,总是使溶液的蒸气压降低。
Some celestial bodies similar to galactic nebulas but without any luminosity sometimes reveal their presence as dark patches obscuring the light of stars beyond them.
某些与银河星云相似但不发光的天体,有时看来象块黑色补丁,遮住了周围的星光。
Its presence was as familar in the state as sunshine, oranges and wine.
它的存在就象阳光,柑桔和酒一样在本州为人们所熟悉。
How queasy we become in the presence of anyone who supposes that he has charm when he really has none!
在一个不受欢迎而自以为颇具魅力的人面前多不舒服!