大大

The types of common concrete admixture s and their characteristics are briefly introduced.

简要介绍了常用外加剂的种类及其特性，从每种外加剂的特性出发分析了其在混凝土施工中的应用，以促进外加剂的广泛应用，大大改善混凝土的工作性能。

The perfect coating agents were prepared by use of the Mini-tab DOE anlysis experiment with the ratio of nano-tuber PANIs and the hydrochloric PANIs,the dosage of CNT adulterant,the dosage of bonds and the dosage to fabric.

利用对整理剂用量的单因数工艺实验，对涂层织物的表面比电阻和微波屏蔽性能进行了分析，优化涂层织物的最低表面比电阻使之达到16Ω，整理后织物的导电性大大提高。

However, the work can be greatly lightened and the time shortened if we, in advance, have a copy of an installed system in reserve or beep it on a compact disc for its quick recovery.

如果将安装好的系统制作成专用备份或刻录成光盘，一旦需要重装系统时，便可利用其快速恢复系统，可大大减少重装系统的工作量和缩短重装系统的时间。

The advocacy efforts of staff and families are important for improving the lives of all children.

对早期儿童教育的宣传与关注，将大大影响儿童的未来发展。

The designing way of this paper about the forebody and afterbody of aerocraft is based on the wave-rider theory, so design the aerocraft upper and down surface separately, besides keeping the length and thickness of forebody and afterbody constant, to some extent ensure the whole aerocraft design target and avoid the conflict with other disciplines, The flow solver takes use of Euler equations, combining with the technique of the unstructured dynamic meshes.

文中对飞行器前后体设计思路基于高超音速乘波体的思想，将飞行器上下表面进行分离设计，在前后体的长度厚度以及发动机的位置保持不变的条件下，较大程度避免了飞行器整体外形布局的改变，从而一定程度上保证了总体设计的目标，大大缓和了与飞行器其他学科设计时的冲突。

The water quality of the sewage aftertreatment by membrane technology was improved greatly.

二级处理后的废水经过上述膜工艺深度处理后，各项指标大大改善。

Agaric mycelium can be produced through artificial ferment; thereby it can be used in the exploitation of new medicines instead of fruiting body in order to reduce exploitation cost.

因菌丝体可经发酵人工获得，从而可代替子实体用于新药开发，同时可以大大降低新药开发的成本。

The novelty and importance of ITS make people aggrandize the devotion to study it by a long way.

ITS的新颖性和重要性使得人们对其研究的投入大大增加。

Once I realized that I wouldn't choose to give up that job, my aggravation lessened considerably.

一旦我发现我根本不会选择放弃这个任务，我的委屈程度大大减少了。

Last year, the amount of aggregate of personnel of research and development of Beijing increases greatly, 20% what hold countrywide total number.

去年，北京的研发人员总数量大大增加，占全国总人数的20%。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。