两只吊舱的独立俯仰和偏航均会产生噪声.Independent pitch and yaw of the two birds produce noise.只有对接近于轴对称的飞行器,俯仰与偏航的耦合才能略去.Pitch - yaw coupling can be neglected only for nearly axisymmetric vehicles.俯仰力矩的变化由升降舵的偏转来提供.A variable pitching mom...
The electricians have performed wonders in recording these long dead voices from old wax onto modern plastic surfaces.电气技师们很出色地把这些早已失传的声音从老唱片中转录到现代的塑料薄膜唱片上.Later skilled workers such as electricians and plumbers organize...
George was a fitter at the shipyard.乔治是造船厂的一名钳工。You can become fitter quite quickly and easily.你可以非常迅速而且轻松地变得更健康。Making some simple alterations to your diet will make you feel fitter...对日常饮食做些简单的调整就会让你身体更健康。You'll s...
?澍宸廴狈?蛋彼幔0蛋氨酸和亮氨酸.Cottonseed meal is deficient in lysine, methionine and leucine.植树细胞中丙氨酸和亮氨酸 、 缬氨酸的主要前体是丙酮酸.In plant cells the principal precursor of alanine , as well as leucine and valine, is pyruvate.饰胶蛋白聚糖(Decorin,D...
此刻大雨滂沱。The rain now was pelting down.大雨滂沱, 我们全身都湿透了.The rain fell in torrents , insomuch that we were wet through.大雨滂沱.The rain came down with a vengeance....