A seal on a document， such as a letter.
盖章盖在文件上的公章

to appose a seal to a note
在票据上盖章

append a seal to a contract
在合同上盖章

affix a seal on a document
在文件上盖印。

imprint a paper with a seal
在文件上盖章

to stamp a paper with a seal.
给文件盖上印

The invention discloses a sealing packing for a steam chamber of a tire vulcanizer and a method for producing the same.
本实用新型是弹性气室风冷坐垫。

to imprint a document with a seal
在公文上盖章

A total of 71 abandoned young common seals were reared at the seal station this season.
海豹养殖基地本季总共喂养了71只被遗弃的普通小海豹。

If the title is too long to be printed on the seal , the standardized abbreviation is applicable.
如名称字数过多不易刻制, 可以采用规范化简称。

Theoretical and Experiment Research on the Difference between the Seal Oil Ability and the Seal Gas Ability of Fault Zone in the Static Period of Fault
断层静止期同一断裂带封油封气的差异性研究

vertical sealing ability of reservoir forming period
成藏期垂向封闭性

Vengeance Seal of Command critical hits can now trigger this ability.
复仇命令圣印的暴击将触发该技能。

ON INDIRECT AFFECT OF ABNORMAL PORE FLUID PRESSURE TO THE SEAL OF GAS IN EACH PHASE
异常孔隙流体压力对各种相态天然气的间接封闭作用

He had absolutely violated the seal which had been made sacred by her approval.
他已经完全破坏了经她认可后变得神圣不可侵犯的那个封

The hard sealing gasket also can absorb the noise and vibration.
密封垫圈也可吸收噪音及振动。

shock absorber wiper seal.
减震架水封

The seal box provides over pressurization protection for the absorber.
密封箱还起着对吸收塔过压保护的作用。

Causes Analysis of Seal Failure and Improving Methods for Optical Glass in Methylamine Liquid Absorption Tower
一段甲铵液吸收塔视镜密封失效原因分析及改进措施

Standard Guide for Assessing the Durability of Absorptive Electrochromic Coatings within Sealed Insulating Glass Units
评估在密封绝缘玻璃元件吸收性电色变镀层耐久性指南

Abstract Abstract This paper describes conditions of glass solderstometal sealings necessitate.
摘要摘要本文介绍了玻璃焊料与金属封接所需的条件。

For more information, see Abstract and Sealed Classes and Class Members.
有关更多信息，请参见抽象类，密封类和类成员。

A sealed, abstract type is typically only useful to hold static member functions.
密封的抽象类型通常仅用于容纳静态成员函数。

You can create sealed implementations, virtual implementations, or abstract contracts for class hierarchies.
你可以为类体系创建封闭的实现, 虚实现, 或者抽象约定。

The purple pigment which is abstracted from the Althaea roseal is a harmless natural dyestuff.
从蜀葵花瓣中提取的紫色素是一种安全无害的天然染料。