The virulent strains had a polysaccharide capsule and formed smooth colonies on agar medium.有毒菌株具有多糖荚膜它在琼脂培养基上形成光滑的菌落....emotional strains beneath the surface...表面之下的情感纠结The principal methods of avoiding spoilage are the...

v.抑制( restrain的第三人称单数 )，管制，制止，控制...

strains的音标：...

v.强迫( constrain的第三人称单数 )，强使，限制，约束...

We'll ignore the continuity constrains.我们往往忽略连续约束条件.It imposes constrains, restricting nature's freedom.它具有限制自然界自由度的强制性.Their species'genetic makeup constrains them to be insects.他们的物种基因构成限制了它们成为昆虫....

Target function, design variables, nature state restrains, Optimize methods are studied.分析了高土石坝优化设计的目标函数 、 设计变量 、 约束条件及优化方法.Its enlargement factor arrives to 160,000 because it restrains noise effectively.由于选频滤波放大电路对噪声的有...

constrains的音标：...

The strains of office are beginning to tell on the prime minister.首相开始感到公务繁忙的压力了。She could hear the tinny strains of a chamber orchestra.她能听见室内管弦乐队尖细的旋律。Every year new strains of influenza develop.每年都有新的流感病毒出现。...

v.拉紧( strain的第三人称单数 )，尽量利用，尽全力，过滤...

restrains的音标：...