封闭

Living in cold regions will be hibernating snails, the type of life in the tropics will be dormant during the dry season, dormant when the mucus secreted in the formation of a layer of dry mouth closed shell, the body hidden in the shell, when temperature and humidity out of the activities when appropriate .

在寒冷地区生活的蜗牛会冬眠，在热带生活的种类旱季也会休眠，休眠时分泌出的黏液形成一层干膜封闭壳口，全身藏在壳中，当气温和湿度合适时就会出来活动。

The conclusion can be obtained that the interior scattering sound field can be expressed as the superposition of the interior scattering sound field of the arbitrary-shaped closed thin shell and the external scattering sound fields of these scatterers.

研究结果表明，该内部散射声场可表示为封闭薄壳的内部散射声场和这些散射体的外部散射声场之和的形式。

XQ-200A series of small charactersúwith a full set of closed stainless steel shell, beautiful compact body structure, unique built-in pump technology and new ink system, so that theúapplicable to a variety of tough working environment.

XQ—200A系列小字符喷码机具有全套封闭不锈钢外壳，机身结构美观小巧，独特的内置泵技术及全新的墨路系统，使该喷码机适用于各种严峻工作环境。

With many closed cavums, the EPS sphere could be considered as a perfect absorber base for its light-weight, high-intensity, good chemical stability water stability and mechanical property.

EPS颗粒中有许多封闭的空腔，外表涂敷一层炭膜，具有较强的化学稳定性和水稳定性、良好的力学性能，可以作为一种理想的吸波材料。

The action brought China into a very closed "Star Wars" potential participants in the club.

这次行动使中国进入了非常封闭的"星球大战"潜在参与者俱乐部。

Usually called a closed subroutine.

通常称为封闭子例程。

In this thesis,we proposed the parametrization methods of closed surfaces for surface fitting.

本文针对曲面拟合，给出了封闭三角网格曲面的参数化方法。

For the quartic blending surface , we study the part of which meets and forms a connected closed surface together with .

对于四次拼接曲面，我们感兴趣的是其联结三个管道曲面并且可与形成连通的封闭混合曲面的部分，我们称之为拼接曲面的"有效部分"。

There may be a container contacting surface near the closed end of the post structure.

靠近支撑部件的封闭端可以有包装箱接触表面。

Therefore, the border is a closed vertical surface dry surface, rather than a line on this for a very high to very high sky, deep deep down into the earth's crust.

因此，边界是一个垂直干地表的封闭面，而不是一条线，这个面向上到很高很高的天空，向下到很深很深的地壳。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！