1.
Gene Technology and Moral Care: Keep Essential Tension;
基因技术与伦理关怀:保持必要的张力
2.
On the "Original Folk Songs" :Balance between Tradition and Modernity;
原生态民歌:在传统与当代之间保持必要的张力
3.
Party Management Capacity: an Essential Link in Keeping the Party’s Advanced Nature;
提高治党能力是保持党的先进性的必然要求
4.
We need not despair so long as we retain the ability to distinguish between right and wrong.
只要我们保持明辨是非的能力，我们就不必绝望。
5.
...at present he needed all his self-command to be decently civil
…现在他得运用自己的全部自制力才能保持必要的客套。
6.
In order to stay competitive with other companies, we must modernize our production.
为了保持在市场上的竞争力，我们必须要更新产品。
7.
Keep calm: don't lose your composure!
保持镇静,不要慌张。
8.
The Necessary Tension between Reality and Social Factors of Science;
科学实在性与社会因素间的必要张力
9.
To be in good health, you have to sleep enough.
要保持身体健康，你必须要保证充足的睡眠。
10.
It is important that he be quiet.
他该保持安静是有必要的。
11.
Thus it is beneficial to make the outer surface of the yarn smooth.
由此看来,保持经纱表面光滑是必要的。
12.
A simple tensioning device is only able to increase the tension and it is necessary to ensure, therefore, that the input level is considerably lower than that ultimately required.
简单的张力装置只能使张力增加,因此要保证输入的张力比最终所需的张力要低,
13.
The spring is under compression, which means it tries to expend and thereby tries to keep the valve seated.
弹簧被压缩时，意味着弹簧要努力伸张，从而努力保持气门的落座状态。
14.
Meanwhile, we will continue to boost the domestic demand, maintain the continuity and strength of the pro-active fiscal policy and sound monetary policy.
同时，我们将继续坚持扩大内需的方针，保持积极财政政策和稳健货币政策的连续性和必要力度。
15.
We must keep an vigilant eye upon imperialism.
我们必须对扩张主义保持警戒。
16.
In particularly dry climates, it is often found necessary to add a little calcium chloride in order to retain sufficient moisture to ensure cohesion.
尤其在干燥气候条件下,为了保持足够的湿度而确保内聚力,有必要加入少量的氯化钙。
17.
We should advocate hard work and plain living and building our country through thrift and diligence, oppose extravagance and waste, cut all unnecessary administrative expenses, and ensure funding for priority areas.
大力提倡艰苦奋斗、勤俭建国，反对铺张浪费，坚决压缩一切不必要的行政开支，保证重点支出。
18.
Necessity and Demands of the Times of Keeping the Advanced Nature of the CPC members;
浅议保持共产党员先进性的必要性和时代要求