花叶病是分布最广泛的甘蔗病害之一.Mosaic is one of the most widely distributed sugarcane diseases.病毒病常分为几大类,即花叶病, 黄化病, 斑驳或条斑.Viruses are often classified into broad categories as mosaics , yellows, mottles, and streaks.玉米矮花叶病是世界普遍发生危害严重的...
按照他的观点,适应的差异不足以在数量上和种类上形成同量的小生境.In his view differences in adaptation are insufficient to create niches commensurate in number and kind.在加速器质 谱 测量中,存在同位素和同量异位素的干扰.There are interference of isotopes and isobars in acceler...
经过3个周末的追求之后，帕梅拉接受了伦道夫的求婚。After a three-weekend courtship, Pamela accepted Randolph's proposal of marriage.不管怎么说，追求的过程总比得手更为刺激。The chase is always much more exciting than the conquest anyway.银行的经营必须追求成本效益。The bank mu...
The work was done cheaply and flimsily.这件成品做工差,而且质料单薄.This car is so flimsily constructed!这部车的构造如此不结实!And delta is zoology environment is taken flimsily, bearing in resource development enormous environmental pressure.而三...
The president traveled by rail to his home town.总统坐火车回到了他的家乡。To satisfy our own curiosity we traveled to Baltimore.为了满足好奇心，我们去了巴尔的摩。As we traveled together, we started to grow apart.我们在一起旅行的时候产生了隔阂....
The exiles had been cut off from all contact with their homeland.流亡者被切断了与家乡的所有联系。His two main rivals suffer the disadvantage of having been long-term political exiles.他的两个主要竞争对手因长期政治流亡而处于不利的地位。They called back their exil...