The key technical problems of the bond strength between the matrix and steel body, the concentricity and diamond segments sealing off from the body are successfully resolved in the studies.

本研究成功地解决了胎体与钢基体结合强度、同心度及金刚石掉块等关键技术问题。

Negative defense will only lead to be attacked and only depending on sealing off the existed system leaks can「t solve information security problems.

消极防御只能被动挨打，单纯依靠封堵现有的系统漏洞不能从根本上解决信息安全问题。

At sunset, the colony protects its nest by sealing off the entrances with sand, and a few ants remain outside to complete the job.

日落时刻，蚂蚁为了保卫自己的领地，都要用沙子把巢穴的入口掩埋住，每次总要有几个蚂蚁为了完成这项工作，最后把自己堵在蚁穴外面。

The group」s role, Saifullah said, was to assist the army in sealing off the southern borders of South Waziristan and prevent Taliban fighters from escaping from the area.

赛弗拉说，组织所扮演的角色是协助军队守护南瓦齐里斯坦的南部边境，防止塔利班武装人员出逃。

Police and troops manned roadblocks sealing off the city centre, with the Civil Defence authority saying the area remained closed due to danger from falling masonry and glass.

警察和军队设路障封锁市中心，民防权威说该地区由于掉落石块和玻璃的危险仍保持封闭。

Palestinian witnesses said Israeli forces were sealing off the Jenin area.

巴勒斯坦目击者说，以色列军队封锁了杰宁地区。

To survive this, the Givin have evolved a means of sealing their entire anatomy in a form of organic exoskeleton vac-suit, sealing off all orifices and entering a state of hibernation.

为了生存，吉文人进化出外骨骼，如同真空防护服一样，把自己的身体组织包裹在里面，闭合所有腔孔，进入冬眠状态。

This paper analyses theoretically and technologically, the reason of barrel tooth holders sealing off , of produced gas hole and cold crack.

从理论和工艺上分析滚筒齿座开焊的原因、气孔的产生和怎样减少气孔生成、冷裂现象生成及其予防。

In hearings on Wednesday, members of Congress sharply questioned Secretary of Homeland Security Janet Napolitano on the possibility of virtually sealing off the border with Mexico.

在周三的听证会上，国会议员尖锐质疑国土安全部秘书珍妮·纳波利塔诺关于封锁同墨西哥接壤边界的可能性。

It introduces one kind of new technology — 「ladder」 -like sealing off a borehole by slipping casting.

提出了一种针对深鉆孔的注浆封孔新方法——「阶梯」式注浆封孔方法。