可保持的

Create a livable city is an important way to maintain a sustainable urban development and improve the urban living environment.

创建宜居城市是保持城市可持续发展及改善城市人居环境的一个重要途径。

Individual loose-leaf style replacement pages are available for replenishing frequently used colors and keeping the book fresh.

个别活页样式替换网页可补充经常使用的颜色和保持图书新鲜

When you stuck in the jam on rush hour hop on the "electric minicab", this will keep you away from the jam, it's environmentally friendly, low cost and it can also do your grocery delivery!

当您在拥塞的上下班时间跳上"电动小小黄"，可以使您永远保持在车阵最前方，低空气污染，车费低还可送快递喔！

You can do everything from co ulting on homework and projects, keeping in touch with cla mates, corre onding with3 family and friends, and getting daily news services to keeping you posted4 on world events.

从讨论作业和研究项目、与同学保持联系、与亲朋好友通讯、获得日常新闻服务，到跟踪了解世界上发生的各种事件，你都可通过电子信件来做。

Number portability (if you need to keep your old number) is something else to be looked into.

号码可携性(如果你要保持你的老人数)是另一回事予以研究。

A candidate for admission is usually kept as a postulant for at least some weeks in order that the community he seeks to join may judge whether he is a suitable person to be admitted to the probationary stage.

考生入学通常是保持作为一个postulant至少几个星期，以便使国际社会寻求加入可判断他是否是一个合适的人被接纳为见习阶段。

Birefringence is easily measured quantitatively, and both off-line and on-line instruments are available to ensure product quality and maintain production uniformity.

双折射是容易衡量，在数量上的，双方在离线和在线仪器，可确保产品质量，保持生产一致性。

This would certainly not have been the case if, as some have maintained, Sadducean and priest-party had been convertible terms.

这肯定没有的情况下，如果如一些人所保持， Sadducean和牧师党已可兑换条件。

Self-balancing valve orifice by maintaining must be achieved before and after the pressure flow limit, and therefore can be said flow valve.

自力式平衡阀是通过保持孔板前后压差一定而实现流量限定的，因此，也可称定流量阀。

There is no shortcut that we can remain them in our memories in a period of time.

没有捷径可走，我们可以在我们的记忆中，使其保持一段时间。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。