简明MIB规范的英文：
Concise-MIB, Concise MIB Definitions, (RFC-1212)

concise是什么意思：
adj. 简明的，简洁的

This passage is concisely phrased.
这段话措辞简练。

The explanation in this dictionary is concise and to the point.
这部词典里的释义简明扼要。

A concise summary,account, etc
简明的摘要、报道等.

mib是什么意思：
Management Information Base,管理信息库

Don't upload documents which are over15 MB, if found, deletion wold be the result.
不要把大于15MB的文件放到公享里，如果发现，删除处理。

The B-module MB is said to be obtained from M by extension of scalars
我们说B-核MB是从M验纯量扩充而得到的。

The back-to-back structure allows banks to effectively 'repackage' their mortgage portfolios into more liquid portfolios and to maintain the majority of the cash flow if they hold the MBS in their own investment portfolio.
凭藉按揭证券背对背结构，银行可以有效地把按揭组合“重新包装”，变成流动性更高的组合； 银行如保留按揭证券为投资组合的一部分，也可以保留大部分现金流量。

definitions是什么意思：
n. 定义，释义；清晰（度），明确

This definition is circular.
这个定义是循环论证的。

The article lacks definition or definite content.
缺乏确定性或者明确的内容。

As officials of the town, this was definitely their business.
他们既然是这个城镇的官员，这当然是他们的职责所在。