1.
The simplest convection model is that of a contained layer of liquid sitting above a point heat source.
最简单的对流模式，是处在一个局部热源上流体的封闭圈层的模式。
2.
emphasis on breaking "buddy relationship" which exists in a few small percentage of kids and help them to increase the social relationship with other kids.
关注少数幼儿中存在的固定关系，协助其打开封闭圈，与其它幼儿建立同伴关系等。
3.
One complete round or circuit, especially of a racetrack
一圈跑道完整封闭的一圈，尤指跑道
4.
The analysis of sealing condition of structural trap in Tianchang area in Anhui Province
安徽天长地区构造圈闭封堵特性的分析
5.
The Study on Technology of Using Reinforced Concrete Yoke to Strengthen Arch Bridge;
钢筋砼套箍封闭主拱圈加固拱桥技术研究
6.
Anticline and monocline are major trap types.
圈闭类型主要为背斜圈闭及单斜圈闭。
7.
Full enclosure to allow gasket to retain positive radial support during loading.
在负载期间，全封闭外科使得垫圈能够保持正轴向支撑。
8.
The air-tightness of the chamber door is adjustable, with a wholly-shaped silicon rubber door sealing loop; so as to guarantee in-chamber high vacuum.
箱门闭合松紧能调节，整体成型的硅橡胶门封圈，确保箱内高真空度。
9.
Though he enjoys global fame, Gates remains personally elusive to all but a close circle of friends.
虽然已举世闻名，盖茨的交往仍限于近乎封闭的朋友圈。
10.
Occluding or tending to occlude.
封闭的封闭的或倾向于封闭的
11.
chev(e)ron ring
人字密封圈, v型圈
12.
closed or secured with or as if with a seal.
闭着的或由封条封着的。
13.
(8) To close down the New China Daily.
（八）封闭《新华日报》；
14.
For these locations a completely enclosed unit, the sealed dry-type, is available, having a core-and-coil in a tank that is sealed and filled with an insulating gas.
对于这些场所,采用全封闭的干式变压器,在箱体中充以绝缘气体来隔绝铁芯和线圈。
15.
A fitted covering used to seal a well or large pipe.
封闭盖用以封闭井或大管子的盖子
16.
Preparation of Blocking Isocyanate and Study on the Unblocking;
封闭异氰酸酯的制备及其解封闭研究
17.
A Comparative Study of the Sealing Ability of Three Root Canal Sealers in Vitro;
三种根管封闭剂根尖封闭性能的比较
18.
Apical sealing ability of root canals filled with nanosealer
纳米根管封闭剂根尖封闭能力的研究