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,...
The occurrence of peptic ulcer in some pa - tients with hiatal hernia may necessitate considerationof both diagnosis.对一些裂孔病患者,出现消化性溃疡时,须考虑两种疾患的诊断.The agglomeration and sintering of fine particles can necessitate a loweri...
The menu includes the occasional off-beat item.菜单中包括了偶尔会有的非传统菜肴。He beat up on my brother's kid one time.他有一次殴打了我哥的孩子。The harvests beat out upon the threshing floor which was also the dooryard to the house.收割完了,再在打谷场...
Did the BBC act reasonably in sacking the journalist?英国广播公司开除该记者做得合理 吗 ?They were sacking the potatoes in the field.他们正在地里把土豆装袋。Lately, the president has been sacking and picking new ministers at whim.最近，总统一时兴起频频解雇旧部长，选任...
沉积和剥蚀作用的影响只在特殊情况下起作用.Sedimentation and denudation play a role in exceptional cases.可冲蚀土壤部分经常从凸出物剥蚀并降落于洼地.Erodible soil fractions are usually dislodged from projections and trapped in depression.风霜雨雪剥蚀了泥灰.Frost and weathe...