英 [ˈsʌbstreɪt] 美 [ˈsʌbstreɪt]
n. 培养基，基质，基层；底物，酶作用物；（供放置或刻的）底面
substrate /ˈsʌbstreɪt/
名词 the substance upon which an enzyme acts 基质
the substance that is acted upon by an enzyme or ferment
a surface on which an organism grows or is attached
the gardener talked about the proper substrate for acid-loving plants
同义词： substratum
any stratum or layer lying underneath another
同义词： substratum
an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population
the Celtic languages of Britain are a substrate for English
同义词： substratum
...C且具有较短的保持时间。中温消化使用的更普遍些但是污泥的高温消化随着对沼气的需求和使用的增加而增加。另一个因素是对消毒污泥的需要以便使污泥能够应用到农田中。对于这样的应用，高温消化可能是令人关注的。最常用的底物(substrate)是玉米和生物质。甲烷发酵是在具有细菌影响的厌氧条件下进行的。
无土栽培基质(substrate、matrix)是能为植物提供 稳定协调的水、气、肥结构的生长介质。
...(liquid precursor)制造亚微米(submicron)结构(优选地，半导体亚微米结构)，并且具体但非排他地，涉及至少用于在基底(substrate)上制造亚微米结构的方法以及可由此类方法获得的亚微米结构。技术介绍半导体装置(如二极管和晶体管)是用于电子装置的基本构件。
...要考虑到架构和分区(Partition)，以充分利用整合的效益。在此一情况下，还须考虑到机械和热设计，因为电路布局和基板(Substrate)是相互关联的。 首先，要先将有利于整合的架构界定清楚。
substratum 基础；根据；下层
基质；基片；底层（等于substratum）；酶作用物
Adults of this species burrow deeply into the substrate where it is cooler and perhaps moister.
这个物种的成虫深入到底层中，那里更凉爽，也许也更湿润。
Greenboard is an acceptable substrate.
绿板是一种可以接受的基板。
Diaminobenzidine was used as substrate in the techniques.
以二氨基联苯胺为底物。
The tiny silicon wires stick up from the base,or substrate, looking something like a microscopic hair brush.
VOA : standard.2010.02.19
Univac introduced a metal substrate tape and tape recorder for computer digital recording in 1951.
Transistors and other circuitry can then be printed on to a flexible plastic substrate.
Small-size OLED screens are created by placing organic material that emits three colors red, green and blue on a substrate.