鱼的腹鳍a fish's ventral fin腹鳍 对应着四足动物的后肢.Ventral ( or pelvic ) fins correspond to the hind limbs of a quadruped.这快速流动的气流为腹鳍提供了额外的升力.This faster - moving air provides the pelvic fin with additional lift....
频率多边形比直方图更简单.The frequency polygon is simpler than its histogram counterpart.应力范围直方图可用作估算等效 均方根 应用力范围.The stress range histogram was used to estimate the effective root - mean - square stress range.提出了基于二维 直方图 的最大相关准则自动阈...
Exchange of unequal values makes the poor countries poorer.不等价交换使穷国更穷.My handwriting is poorer than hers.我的字还不如她的.There were also pledges to soften the impact of the subsidy cuts on the poorer regions.他们还承诺要减轻削减补贴给较贫困地区带...
浅色是挂放图画或镜子很有效果的衬托。Light colours provide an effective backdrop for pictures or a mirror.浅色比黄褐色和红棕色这些秋季色彩更流行。Pale colours are much more in vogue than autumnal bronzes and coppers.他的鞋子把浅色地毯的一角弄皱了。His shoe had rucked up one ...