The changes made from two or more DBAs can easily be combined and coordinated.
两个或多个DBA做出的更改可以方便地组合、协调。
PET is made from two feedstocks, one of them an organic acid, the other ethylene glycol, which is relatively inexpensive.
PET由两种原料制成，一种是有机酸，另一种是相对便宜的乙二醇。
Wasp and fly wings are made from two compressed layers of transparent chitin, with light bouncing off both layers and mixing to produce color.
果蝇和黄蜂的翅膀其实是由两层压缩的透明甲壳质组成，每层甲壳质都能够在内部对光线进行折射，从而产生出各种色彩。
His food would be cooked on a rocket stove made from two old catering tins, and he would wash in a solar shower essentially a black plastic bag suspended from a tree, and warmed by the sun.
他在那个用两块马口铁桶做的火箭柴炉上烧火做饭，如果天晴太阳高照，还能靠挂在树上的那个黑塑料袋里搞点热乎水洗洗澡。
A high polymer made by polymerizing only one monomer substance, as compared with a copolymer, which is made from two or more different monomers.
仅由一种单体物质聚合而成的高聚物，而共聚物是由两种或两种以上不同单体制成的。
Composite materials or composites are naturally occurring or engineered materials made from two or more constituent materials.
复合材料或复合物是自然形成物或者是由两种或两种以上成分物质加工而成的复合物。
The analysis is mainly made from two aspects: the inheritance of the traditional arts and the mixture of various artistic styles from different nationalities, regions, countries and painters.
一是对前代艺术的传承；二是对不同国家、地域、民族、画家等艺术的融合。
The analysis is mainly made from two aspects: the inheritance of the traditional arts and the mixture of various artistic styles from different nationalities, regions, countries and painters.
一是对前代艺术的传承；二是对不同国家、地域、民族、画家等艺术的融合。
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