可选择的

By virtue of behavior experience in human society and the characteristics of pervasive computing,in addition,according to dynamic transformation discipline between the lag of trust and the anteriority of service,a trust-based model cascade servers is put forward while trust relatiuon establishment,trust degree estimation and update are depicted.The best server satisfied with the user's request is selected out by means of cascade servers to improve the service of quality and efficiency such as multiple evaluation to trust degree dynamically by direct and indirect methods（the third party's recommendation）,which conquers the disadvantage that a singular equipment can't satisfy the request property and blindfold choice of service.

借鉴人类社会行为关系的规律和普适计算环境的特点，依据信任的滞后性和服务的前瞻性矛盾的动态演化规律，提出普适计算环境中信任关系的建立、信任度的衡量和更新以及基于信任的级联服务模型；通过直接和间接的方法动态地对信任程度进行多角度评估，以级联服务的方式从众多可选择的服务目标中筛选出最符合用户要求的服务，克服了单一设备不能完全满足服务请求属性和服务选择盲目性的缺点，提高服务的质量和效率。

Jerusalem artichoke is an alternative source for ethanol production.

菊芋是一种可选择的酒精发酵原料。

Alternative forms of collateral for loans are required.

还需要可选择的间接贷款形式。

I guess foundations are optional in China.

我猜在中国地基是可选择的。

Dinner:Always feel in England there is no vegetables to be choose of, the hyacinth bean and cabbages are cost a lots all.

3，晚餐：总觉得在英国没有什麽菜可选择的，扁豆和白菜都很贵。

There are numerous items to choose from.

有许许多多可选择的项目。

This is optional.---

这是可选择的。---

There is a rich variety of places to g European-style cafes, nightclubs with live entertainment, dance halls for seniors, sports-theme pubs with big TV screens, cafes that offer over 100 types of beer, an Irish pub, a Spanish cafe, a French wine bar ...

可选择的去处有很多：欧式风格的咖啡店，有现场演出的夜总会，老年人舞厅，设有大屏幕彩电的体育主题酒吧，可品尝到100多种啤酒的咖啡店、爱尔兰酒吧、西班牙咖啡店、法式葡萄酒酒吧……。

There is a rich variety of places to go: European-style cafes, nightclubs with live entertainment, dance halls for seniors, sports-theme pubs with big TV screens, cafes that offer over 100 types of beer, an Irish pub, a Spanish cafe, a French wine bar .

可选择的去处有很多：欧式风格的咖啡店，有现场演出的夜总会，老年人舞厅，设有大屏幕彩电的体育主题酒吧，可品尝到100多种啤酒的咖啡店、爱尔兰酒吧、西班牙咖啡店、法式葡萄酒酒吧……。

There is a rich variety of places to go: European-style cafes, nightclubs with live entertainment, dance halls for seniors, sports-theme pubs with big TV screens, cafes that offer over 100 types of beer, an Irish pub, a Spanish cafe, a French wine bar ...

可选择的去处有很多：欧式风格的咖啡馆，有现场演出的夜总会，老年人舞厅，设有大屏幕彩电的体育主题酒吧，可品尝到100多种啤酒的咖啡馆、爱尔兰酒吧、西班牙咖啡馆、法式葡萄酒酒吧……。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐