standard sample的用法和样例：
例句
- Research methods about standard samples of water quality determination of Kjeldahl nitrogen were put forward.
提出了水质凯氏氮标准样品的研究方法。
standard sample的相关资料：
临近单词
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
