To map 100 mutants by this method would necessitate nearly 5,000 crosses.用这种方法来绘制100个突变型的遗传图就要做5000个杂交.The agglomeration and sintering of fine particles can necessitate a lowering in temperature of operation.由于微粒易于聚集和烧结,...
A lion's mane jellyfish nestled in a kelp frond.一只狮鬃水母呆在一片海藻叶子中.Don't walk in frond of me I may not follow.不要走在我前面,我可能跟不上.A: Mr. Johnson, There is a Mircrobus waiting at the frond door.约翰逊先生, 面包车正等在门口....