Taxonomic species are defined on phenetic discontinuities, not on interfertility.分类学上的种是根据表型不连续性而不是根据互交可孕性来确定的.A TAXONOMIC STUDY ON WHITEFLIES IN BEIJING ( HOMOPTERA: ALEYRODIDAE )北京地区粉虱分类研究 ( 同翅目: 粉虱科 )The temptation to...
Swamp vegetation represent the early stages of a HYDROSERE or HALOSERE.例如湖区边界、河流漫滩或者是干旱地区具有保水粘土的地段.The chloroplasts in the swamp reed were round - shaped with poorly developed grana.芦苇是一种多年生水生草本植物,其典型生境是淡水或含盐的沼泽、河边或湖边.Th...
当局必须给这个家庭提供适当的食宿条件。The authority must make suitable accommodation available to the family.我对英国种族法律的适当性颇有微词。I am very critical of the adequacy of Britain's race laws.其房子很大、间距适当，周围全是花园。Its houses are large, well-space...
The skippers get the most money, and after them the cooks.船长拿到的钱最多，其次是厨师。Investigate late charges and skippers. All details be forwarded to the Credit Manager for further action.调查追收帐款和漏帐, 并将所有的明细及时地提供给信贷经理,便于以后的操作.The t...
用氯化钛溶液可以很方便地研究钛的反应.The reactions are conveniently studied using a solution of titanium choloride.8厘米高钛的价格可以参考金属类网站!The price of 8 centimeters tall titanium can consult metal kind website!研究纯钛的表面涂层与金瓷界面的关系.Objective : Res...
So the design of AHB - PCI and APB - IIC IP cores become an extremely urgent problem.因此开发AHB—PCI以及APB—C协议转换的IPcore变得非常必要.These consist of a series of small ferrite cores of maximum diameter 2 mm.这些由一系列最大直径为2毫米的小铁氧体磁心组成.T...
我们对求职者的要求是具备运算能力，熟练使用电脑，精力充沛而且工作积极主动。We look for applicants who are numerate, computer-literate and energetic self-starters.7岁的孩子中1/4以上都不会正确地做加法运算。More than a quarter of seven year-olds cannot add up properly.任何善于运算的人都可以...