substratum

US [ˈsʌbˌstrɑtəm]
UK [ˈsʌbˌstrɑːtəm]
  • n.（尤指岩石或土壤的）下卧层；底土层
  • Web下层；底层；基质
Plural Form：substrata  

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Web Definition

substratum
n.
1.
（尤指岩石或土壤的）下卧层；底土层a layer of sth, especially rock or soil, that is below another layer

Sample Sentence

Definition:
AllAll,下卧层下卧层,底土层底土层,下层下层,底层底层,基质基质
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
There is no human nature in the sense of a biologically fixed substratum determining the variability of socio-cultural formations.
如果说，生物性的固定基础可决定各种多样的社会文化组成，那麽人之天性也就不存在了。
rú guǒ shuō , shēng wù xìng de gù dìng jī chǔ kě jué dìng gè zhǒng duō yàng de shè huì wén huà zǔ chéng , nà mó rén zhī tiān xìng yě jiù bù cún zài le 。
dict.bioon.com
2.
epipsammon Organisms living on the surface of a sandy substratum or on the surface of the sand particles.
沙面生物生活在沙下层土壤的表面上的生物或在沙粒的表面上。
shā miàn shēng wù shēng huó zài shā xià céng tǔ rǎng de biǎo miàn shàng de shēng wù huò zài shā lì de biǎo miàn shàng 。
dictsearch.appspot.com
3.
Potential of an ancient village field consists of two parts, i. e. the potential of settlement field and potential of substratum field.
场可以用物理量“势”来计算，古村落场的势由聚落场的势和基质场的势构成。
chǎng kě yǐ yòng wù lǐ liàng " shì " lái jì suàn , gǔ cūn luò chǎng de shì yóu jù luò chǎng de shì hé jī zhì chǎng de shì gòu chéng 。
www.ceps.com.tw
4.
Seasonal reproduction of marine sessile organisms may be an adaptation of seasonal variation in suitable substratum availability.
中文摘要海洋生物年周期性的生殖行为可能是为了天然底质年周期性变动的一个适应结果。
zhōng wén zhāi yào hǎi yáng shēng wù nián zhōu qī xìng de shēng zhí xíng wéi kě néng shì wèi le tiān rán dǐ zhì nián zhōu qī xìng biàn dòng de yī gè shì yìng jié guǒ 。
dictsearch.appspot.com
5.
Its syntax, many grammatical features, a number of phrases and the style of a typical sentence do betray an important Slavic substratum.
它的句法，许多语法特点，一些短语和典型句子的风格确实透露了重要的斯拉夫语基础。
tā de jù fǎ , xǔ duō yǔ fǎ tè diǎn , yì xiē duǎn yǔ hé diǎn xíng jù zi de fēng gé què shí tòu lù le zhòng yào de sī lā fū yǔ jī chǔ 。
dictsearch.appspot.com
6.
The substratum's colour is still purple for no acid producing in bacillus depressant section.
细菌被抑制的区域，无酸产生，培养基仍为紫色。
xì jūn bèi yì zhì de qū yù , wú suān chǎn shēng , péi yǎng jī réng wéi zǐ sè 。
lib.cqvip.com
7.
The best nutrition supply was basic substratum mixed with rapeseed cake liquid.
营养供给以基本基质加菜籽饼水液为佳。
yíng yǎng gōng jǐ yǐ jī běn jī zhì jiā cài zǐ bǐng shuǐ yè wèi jiā 。
www.dictall.com
8.
It may be brunk solely of drunk with other beverage. It can be used as the best substratum of spirit.
伏特加是一种纯净酒，它可以单独饮用或者混合饮用，也可以作为各类饮料酒的最好酒基。
fú tè jiā shì yī zhǒng chún jìng jiǔ , tā kě yǐ dān dú yǐn yòng huò zhě hùn hé yǐn yòng , yě kě yǐ zuò wéi gè lèi yǐn liào jiǔ de zuì hǎo jiǔ jī 。
dict.kekenet.com
9.
They proliferate and migrate randomly on the substratum and then align and finally form multinucleated myotubes.
他们增殖和迁移的基质上，然后随机调整，最终形成多核肌管。
tā men zēng zhí hé qiān yí de jī zhì shàng , rán hòu suí jī tiáo zhěng , zuì zhōng xíng chéng duō hé jī guǎn 。
www.57pao.com
10.
For soft substratum, dig out the top layer (5 - 10 cm thick), sort out the animals, identify and count them.
若是软基质，用小铲挖出表面5-10厘米厚的基质，找出砂泥中的动物，点算和鉴定。
ruò shì ruǎn jī zhì , yòng xiǎo chǎn wā chū biǎo miàn wǔ gàng shí lí mǐ hòu de jī zhì , zhǎo chū shā ní zhōng de dòng wù , diǎn suàn hé jiàn dìng 。
www.jukuu.com
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