检定的英文怎么说

4次大中小

检定的英文：
assay
calibration
certificate

参考例句：

Other academic examination statement
其它学力检定资料

Put proper identification to the calibrated monitoring and measuring device to specify its calibration status.
经检定的监视、测量装置须确定相关标识,以确定其校准状态.

In the event of damage, to be surveyed by Samson Surrey Co. Tai Pei and claims payable at Tai Pei.
如有损失时，须经台北山姆逊公司检定，并在台北索赔。

Metrological confirmation generally includes calibration or verification, any necessary adjustment or repair
计量确认通常包括:校准或检定(验证)、各种必要的调整或维修(返修)

assay是什么意思：
n. 化验；试验
v. 化验；鉴定

This ore assays high in gold.
这矿石经检验证明含金量高。

Immunological methods--Enzyme-linked immunosorbent assay
免疫学方法-酶联免疫吸附试验(ELISA)

After chemical assay, we have known the composition of the ore.
经过化学分析，我们知道了矿石的构成。

calibration是什么意思：
n. 校准；刻度，标度

a heavy [ intermediate ] calibre
大[中]口径

A thermometer calibrated in degrees Fahrenheit.
用华氏温度校准的温度计。

The calibre of teaching was very high.
教学质量很高。

certificate是什么意思：
n. 证明书；执照；凭证，单据；证券；纸币
v. 发证书给；用证书批准；用证书证明

gold certificate
金币流通券|金券|金证券

scrap certificate
车辆拆毁证明书

A certificated lawyer.
合格的律师。