This method does not need to be either safe or idempotent.该方法不需要安全或者等幂.In this paper , we study nonnegative generalized idempotent matrices in detail.本文给出了一般非负广义幂等矩阵的充要条件.This matrix is idempotent.这个矩阵是等幂的....

The powdery dust rose in a cloud around him.一团粉尘在他周围扬起。A couple of inches of dry, powdery snow had fallen.下了数英寸厚的粉状干雪。a light fall of powdery snow细雪轻轻飘落...

复孔目...

v.手持着使用（武器、工具等）( wield的过去式和过去分词 )，具有，运用（权力），施加（影响）...

Professor Wang was appointed academician of the Engineering Academy.王教授被评为工程院院士.Neil Howorth, director of the academy, tried to calm things down.研究院主任尼尔·豪沃思力图平息事态。Academy of the Science: Ulan Bator; f . 1921.科学院: 在乌兰巴托; ...

embedded的音标：embedded的英式发音音标为：[ɪm'bedɪd]embedded的美式发音音标为：[ɪm'bedɪd]...

This is a video camera after my own heart.这是一架合我心意的摄像机.Toby took a step backwards and knocked the video camera for six.托比后退了一步,将摄像机撞翻在地.I cradled my video camera nervously on my lap, but its cold contours did nothing to ...

脱硫剂...

金丝桃甙...

condemn的近义词有：blame, accuse, condemn, scold, denounce, reproach, rebuke,sentence, condemn, judge, convict, doom。下面这些动词均含有"责备，非难"的含义：blame：普通用词，语气较弱，仅是一般的责难、归咎于，不含用语言责骂之意。accuse：语气比blame强，本义为归罪，可用作指非难或谴责之义。condemn：正式用词，表示谴...

v.强行向前，强行，强迫( obtrude的第三人称单数 )...

These include dyes, adhesives, solvents, detergents, metals, and other foreign materials.其中包括染料, 粘合剂, 溶剂, 洗涤剂 、 金属等外界物质....harsher detergents that can leave hair brittle.会让发质变脆弱的刺激性较强的洗发水Development of detergents has req...

vt.填成平地...

Diacodectidae的音标：...

Finally he remembered the tiny detail that had eluded him the night before.他终于想起了前一天晚上想不起来的细节。He was extremely tired but sleep eluded him.他累极了，却睡不着。The thief eluded the police; This difficult idea seems to elude me.小偷躲避了...

guardedly的音标：guardedly的英式发音音标为：['ɡɑ:dɪdlɪ]guardedly的美式发音音标为：['ɡɑdɪdlɪ]...

collide的现在完成时为：collided...

微命令...

The decibel level was mounting.噪音在增强。The most usual system is that of the decibel scale.最常用的系统为分贝标度系统.A measure of sound intensity equivalent to one decibel at 1000 Hz.一种声强的量度单位,其值等价于1000Hz1分贝....

v.发生( betide的过去式和过去分词 )...

Many people inadvertently transpose digits of the ZIP code.很多人疏忽之下会颠倒邮政编码中数字的顺序。Address: Shandong Qingdao Chengyangouliuting streets Xianjie written zip code: 266108 Tel: 4817595.地址: 山东省青岛市城阳区流亭街道仙家寨村邮编: 266108电话号码: 4817...

Eventually Sam persuaded her to accept an offer of marriage.最终萨姆说服她接受了求婚。Derek persuaded me of the feasibility of the idea.德里克让我相信这个想法是可行的。Swanson persuaded Hubley to work undercover to capture the killer.斯旺森说服赫布利去做卧底以便将...

debentures的音标：...

heteropolysaccharide的音标：heteropolysaccharide的英式发音音标为：[hetərəpɒlɪ'sækəraɪd]heteropolysaccharide的美式发音音标为：[hetərəpɒlɪ'sækəraɪd]...

带线虫总科...

devulcanization的音标：devulcanization的英式发音音标为：[di:vʌlkənaɪ'zeɪʃən]devulcanization的美式发音音标为：[divʌlkənaɪ'zeɪʃən]...

defective的近义词/同义词有：incomplete, of, faulty, wanting, irregular, disrepair, lacking, marred, out, in, poor, impaired, deformed, commission, imperfect, inoperative, deficient, weak, flawed, unsound, feeble-minded, simple, i...

adv.彻底地，里面翻到外面...

About a hundred years ago a few feeble efforts were made on behalf of the left - hander.大约一百年前,有人曾为左撇子们做过一些微不足道的努力.The handy left - hander left handsome handkerchief on the handle of the handbag.手巧的 左撇子 把一方标致手帕留在手提包的提手上....

In East Africa , at least 50 albinos were murdered in 2009, according to the Red Cross.据红十字会介绍,2009年, 至少50位白化病人在东非被杀害.Arminius also came to a sticky end, murdered by his own troops.阿米尼乌斯也死得很惨，被自己的部下害死了。Earlier this year ...