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]...

Hippos的音标：...

acetated的音标：acetated的英式发音音标为：['æsəteɪtɪd]acetated的美式发音音标为：['æsəˌteɪtɪd]...

领款人必须在支票上背书。The payee of the cheque must endorse the cheque.这个男孩在讷讷的背书中出了很多差错.The boy made many blunders as he stumbled through his recitation.轮到我背书了.It was my turn to recite....

lodranite的音标：lodranite的英式发音音标为：[lɒdræ'naɪt]lodranite的美式发音音标为：[lɒdræ'naɪt]...

n.航空地磁仪，航空磁强计...

“滩岩”的拼音为：tān yán...

Britain's rarest breeding birds are under threat from fanatical and selfish egg collectors.英国最珍贵的种鸟正因为那些狂热而自私的鸟蛋收集者而面临着威胁。The rarest is type AB.最稀少的是AB型血.Monnet was that rarest of all prophets who put people at ease...

abomination的音标：abomination的英式发音音标为：[əˌbɒmɪ'neɪʃn]abomination的美式发音音标为：[əˌbɑmɪ'neɪʃn]...

n.技能( skill的名词复数 )，熟练，巧妙，擅长...

leptogeosyncline的音标：leptogeosyncline的英式发音音标为：[leptədʒɪəʊ'sɪnklaɪn]leptogeosyncline的美式发音音标为：[leptədʒɪoʊ'sɪnklaɪn]...

He was thick-skinned enough to cope with her taunts.他脸皮厚，不怕她嘲弄。His bare feet were smooth on top and rough-skinned underneath.他赤裸的双脚脚面很光滑，脚底却很粗糙。She was smooth-skinned and pretty.她皮肤光滑，非常漂亮。...

lifetimes的音标：...

The bank yesterday revealed a 30 per cent nosedive in profits.该银行昨天透露其利润骤降30％。Our survey revealed that these allergies were mainly one-offs.我们的调查显示这些过敏多为一次性反应。The fog had lifted and revealed a warm, sunny day.雾已经散了，看来是温暖...

n.无呼吸，呼吸暂停...

“份量”的英语可以翻译为：deal，volume，[法] quantum，weight ...