封闭

After centuries of self-imposed isolation, in 1961, Bhutan opened its doors to the world.

历经了几个世纪的自我封闭之后，在1961年，不丹终于向世界打开了大门。

In allusion to the characteristic of the closed-loop track railway, the biconditional markers are arranged according to rn sequence.

针对城市轨道交通中列车在线路上循环运行的特点，在分析现有列车定位方法的基础上，提出具有封闭曲线特征轨道线路基于绝对位置编码的列车定位技术。

The train positioning technologies in urban rail transit are analyzed. According to the characteristic that train runs circularly along fixed rail track, train positioning technology based on absolute position encoding is proposed to the closed-loop track railway in urban rail transit. The single biconditional marker, whose value is 0 or 1, is placed on each position of rail track.

针对城市轨道交通中列车在线路上循环运行的特点，在分析现有列车定位方法的基础上，提出具有封闭曲线特征轨道线路基于绝对位置编码的列车定位技术。

Similar to [KV2], for a Dynkin-algebra A, we prove that there is a bijection between the bi-aisles in Db and thestrictly full triangulated subcategories of Db which are closed under direct sum-mands.

运用[KV2]中的技巧，对Dynkin型k-代数A的模范畴的有界导出范畴Db，我们证明了其上的双aisles与其上的严格的且关于直和项封闭的三角满子范畴存在着一一对应的关系。

Closed credit can be granted, with reference to that granted to state-owned industrial enterprises, to foreign trade enterprises that suffer temporary industrial enterprises loss but have orders and guarantee for repayment. A coordinated service process of establishment of L/C, issuing of packing credit, bill of exchange, and recalling of the credit can be provided after strict examination by the creditor bank.

对暂时亏损，但有订单、还款有保证的外经贸企业，可参照国有工业企业的办法对其发放封闭贷款，经贷款行严格审查后，通过开证、发放打包贷款、押汇、贷款回收等一条龙服务的方式支持其发展。

If T=S, the binary operation is said to be closed

当T＝S时，二元运算叫做封闭的运算。

The bindery will be closed if necessary.

该装订需要时将被封闭。

Even a closed system benefits from addition of some natural sea water to introduce elements and biota absent from artificial sea water.

即使是一个封闭的系统效益，从另外的一些天然海水引入分子和生物的缺席，由人工海水。

Two different procedures were used to simulate energy absorption of sand walls under blast wave in an airtight space.

分别使用通用非线性动力学数值计算程序LS-DYNA和自编的多相流程序，计算了某封闭空间中沙墙对爆炸冲击波消波吸能的作用。

Blasting cap Blasting cap to one end closed with a weak middle section of thick-walled short tubes, burst pressure error is small, low relief area, and more for high pressure containers.

爆破帽 爆破帽为一端封闭，中间具有一薄弱断面的厚壁短管，爆破压力误差较小，泄放面积较小，多用于超高压容器。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。