standard sample的用法和樣例：
例句
- Research methods about standard samples of water quality determination of Kjeldahl nitrogen were put forward.
提出了水質(zhì)凱氏氮標準樣品的研究方法。
standard sample的相關(guān)資料：
臨近單詞
standard key
standard
standard reference telephone circuit
standard chroma subcarrier frequency
Standard Guide for Testing Varnishes
standard for equipment authorization
Standardization of Admission Process
standard free air ionization chamber
Standard Document Interchange Format
standard particle swarm optimization
Standard Accounting Reporting System
standard of office conduct committee
