drazin是什么意思

Meanwhile, the Drazin inverses of PQ and P - Q are established.同时, 给出正交投影的积PQ和差P -Q 的Drazin逆的表达式.In this paper, we investigate the Drazin inverse of a morphism in additive category.本文研究了加法范畴上态射的Drazin逆....

drazin的音标：drazin的英式发音音标为：[d'rɑ:zɪn]drazin的美式发音音标为：[d'rɑzɪn]...

barren的近义词有：bare, naked, bald, barren。下面这些形容词都含"裸露的"的含义：bare：指缺少必要的遮盖物。用于人时，多指身体的部分裸露。naked：指全身一丝不挂，暴露无遗。bald：指头上无发，山坡无树无草，树顶无叶。barren：着重缺少肥力或生活能力，无草无木，荒瘠不毛。...

adj.高盐的...

“叶”的拼音为：yè...

“弓弦”的拼音为：gōng xián...

“长老”的拼音为：zhǎng lǎo ...

vt.使有磁性，使磁化，紧紧吸引，迷住...

stick up for的音标：stick up for的英式发音音标为：[stik ʌp fɔ:]stick up for的美式发音音标为：[stɪk ʌp fɔr]...

“乘飞机”的英语可以翻译为：emplane，by air，by plane ...

Timeshare companies also come in for a rap as they continue to flout the rules.各分时度假公司也受到了批评，因为他们一直违反相关规则。Motorists regularly flout the law .驾车者经常无视法律。No one can flout the rules and get away with it.谁也不能违反这些规则而不被处分....gr...

reserve的现在进行时为：reserving...

“批评”的英语可以翻译为：criticize，criticism，comment ...

Inserting the key in the lock, he turned it and pulled the door open.他把钥匙插进锁里转了一下,拉开了门.The resonator ( astigmatic ) can be compensated by inserting a suitable thickness Brewster plate in the cavity.在腔内插入一定厚度的布儒斯特片可以部分消除腔...

n.盲肠切开术...

This burglar thought old people are easy prey.这个夜贼觉得老人容易下手。The burglar alarm is activated by movement.这防盗警报器一动就会响。The burglar got in through the window.盗贼是从窗户进来的。...

austen的音标：austen的英式发音音标为：['ɒstɪn]austen的美式发音音标为：['ɒstɪn]...