The virulent strains had a polysaccharide capsule and formed smooth colonies on agar medium.有毒菌株具有多糖莢膜它在瓊脂培養(yǎng)基上形成光滑的菌落....emotional strains beneath the surface...表面之下的情感糾結(jié)The principal methods of avoiding spoilage are the...
We'll ignore the continuity constrains.我們往往忽略連續(xù)約束條件.It imposes constrains, restricting nature's freedom.它具有限制自然界自由度的強(qiáng)制性.Their species'genetic makeup constrains them to be insects.他們的物種基因構(gòu)成限制了它們成為昆蟲....
Target function, design variables, nature state restrains, Optimize methods are studied.分析了高土石壩優(yōu)化設(shè)計(jì)的目標(biāo)函數(shù) 、 設(shè)計(jì)變量 、 約束條件及優(yōu)化方法.Its enlargement factor arrives to 160,000 because it restrains noise effectively.由于選頻濾波放大電路對(duì)噪聲的有...
The strains of office are beginning to tell on the prime minister.首相開始感到公務(wù)繁忙的壓力了。She could hear the tinny strains of a chamber orchestra.她能聽見室內(nèi)管弦樂(lè)隊(duì)尖細(xì)的旋律。Every year new strains of influenza develop.每年都有新的流感病毒出現(xiàn)。...