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鋼構(gòu)件容許長細(xì)比的英文：

allowable slenderness ratio of steel member

allowable是什么意思：

adj. 允許的，正當(dāng)?shù)模�可承認(rèn)的

This agenda does not allow compromise. 

這一議程容不得商量。

Allow me to introduce myself.

允許我把我自己向你介紹。

The ship was dry and no liquor was allowed. 

船上是禁酒的，不準(zhǔn)賣含酒精的飲料。

slenderness是什么意思：

n. 纖細(xì)

All girls want to be slender.

所有女孩都希望苗條。

The daughter was to have but a slender provision.

女兒只能得到一份菲薄的嫁妝。

It was a long slender stick of vivid yellow.

那是一根鮮黃色的又細(xì)又長的粉筆。

ratio是什么意思：

n. 比率；比例

neutralization ratio

中和比率|中和比例

This is the prime ratio of the nascent increments

這是最初增量的最初比。

Asset quality ratios: Ratios that measure the quality of assets of a lending institution.

資產(chǎn)質(zhì)量比率:衡量貸款機(jī)構(gòu)資產(chǎn)質(zhì)量的各種比率。