卡片向上移动时,波就从右向左传播.Moving the card upward produces a wave traveling from right to left.只有当货币工资移动时,不稳定才会出现.It is only when money wages move that instability declares itself.当铁芯移动时, 次线圈的感抗就不平衡.When the core is displaced, the...
这种甲虫主要吃谷物的胚芽.This beetle eats mainly the germ of the grain.我们用气相层析法来测定各种谷物的水分.We use gas chromatography for moisture determination in a number of grains.全国各地牧场对套种谷物的选择都不相同.Farmers'preferences for a companion cereal ...
Birches and oaks feathered the narrow ravines.桦树和橡树密生于狭谷中.Under the hoarfrost the slightest twig of birches is white.在霜下桦树的最轻微的枝是白色的.Do say yes: to that clump of birches at the turn!说可以吧!就走到转弯地方那丛桦树那儿!The Nordic birches ...