An analysis is made of the characteristics of dike works, perviousness of dike foundation and seepage characteristics of different foundations. Therefore, the design principle of seepage control and its selection of measures are raised.

Materials and Methods: We collected 26 patients with encephalic sponginess angioma approved by postoperative pathology, all the patients were diagnosed by CT 、 MRI and DSA.

材料和方法：收集了经手术病理证实的26例颅内海绵状血管瘤的CT、MRI和DSA的影像特点。

It is a key point to the decision on how to solve the problems to make a correct estimate on the sponginess of the present real estate market and its trend for development.

正确估计当前我国房地产市场泡沫程度及其发展趋势，是决定采取何种办法解决问题的关键。

Objective: To probe into diagnostic value to nature and loality of encephalic sponginess angioma in CT, MRI and DSA.

目的：探讨CT、MRI与DSA对颅内海绵状血管瘤的定性、定位的诊断价值。

With short time pre-evaporation and low temperature coagulation bath, membrane's supporting layer is small and uniformity sponginess network-structure.

当预蒸发时间较短和凝固浴温度较高时，膜的支撑层为典型的小而均匀的海绵状网络孔结构，基本看不出过渡层；

Methods The artifical sponginess skin can be obtained from the effervesced chitin.

方法市售甲壳素经发泡技术制成海绵状人工皮。

Conclusion: MRI diagnosis to encephalic sponginess angioma is superior to CT and DSA.

结论：MRI对颅内海绵状血管瘤诊断价值优于CT和DSA。

Image contrast among CT 、 MRI and DSA to encephalic sponginess angioma

颅内海绵状血管瘤的CT、MRI与DSA对比研究

The mill cannot grind with the water that is past.

时不待我.

Why don't you stay in the bar that night I got your numbers?

我让你写号码那天你为什么不待在酒吧?

He regards the whole thing as very important , and treats it with the utmost attention.

他很看重这件事情, 认真程度就不待说了.

This applies with still greater force to other regional power groups.

其他各地方实力派更不待论.

However, we have to take actions right here and right now.

但时不待我, 此时此刻,需要立即采取切实的行动.

On the Unlimitedness of Literary History

文学史无限论

The historical features of innovation is revealed in integrating finiteness with unlimitedness, and universality with particularity.

创新的历史特征表现为有限性与无限性的统一、普遍性与特殊性的统一。

Reclaimed plastics moulding materials [ acrylonitrile-butadiene-styrene ( abs)]

再生塑料模制材料（丙烯腈、丁二烯、苯乙烯）

Polycarbonate ( PC)/ Acrylonitrile-Butadiene-Styrene ( ABS) is a widely used commercial plastic alloy.

聚碳酸酯（PC）/丙烯腈-丁二烯-苯乙烯（ABS）塑料合金是目前应用很广，很具有商业化价值的合金材料。

The development of ABS resin copolymer based on PS modification. It shows synergy properties of acrylonitrile-butadiene-styrene.

ABS树脂是在聚苯乙烯改性的基础上发展起来的三元共聚物，它体现了三种组分丙烯腈-丁二烯-苯乙烯的协同性能。

On-line testing of the pressure-volume-temperature properties of acrylonitrile-butadiene-styrene using an injection molding machine

基于注塑机的ABS树脂PVT特性在线测试

The wastewater produced in the production of acrylonitrile-butadiene-styrene ( ABS) resin with ABS unit of the Lanzhou Petrochemical Company was treated with biochemical method.

对兰州石化公司ABS生产装置生产的丙烯腈丁二烯苯乙烯（ABS）树脂废水水质进行了分析和处理技术研究。

Acrylonitrile-butadiene-styrene ( ABS) sheets There is many kinds of wood grow in this forest.

丙烯腈丁二烯苯乙烯片材这片森林出产各种木材。