您要查找的是不是：
- Check the solution against a primary standard. 对照原来的标准液来检验此溶液。
- Study on extending measurement range of viscosity primary standard. 扩大粘度基准量程的研究。
- A new automated spectro radiometric calibration system is used to establish the new national primary standard of color temperature. 用一个自动的光谱辐射校准系统建立新的国家色温度基准。
- This paper briefly describes the principle, structure and performances of the national primary standard manometer built at the NIM in 1986. 本文概要介绍中国计量科学研究院于1986年建立的国家气压基准器的原理、结构和性能。
- Quality of entire county environment is good, atmosphere stability is in primary standard, pollution is little, have the favorable environment that produces green food and requirement. 全县环境质量良好,大气稳定在一级标准,污染少,具备生产绿色食品的良好环境和条件。
- All date issued are traceable to National and International Primary Standards of verification. 本中心所出具的数据均可溯源到国际和国家计量基准。
- For some research purposes and possibly for referee work, analyzed primary standards may be obtained from the U.S. Bureau of Standards. 对于某些研究工作和仲裁工作，可以从美国标准局获得经过分析的一级标准物。
- Primary standard for Brinell hardness standard 布氏硬度基准装置
- Primary standard for mid-frequency vibration 中频振动基准装置
- Primary standard for plastic Rockwell hardness 塑料洛氏硬度基准装置
- Time and frequency primary standard 时间与频率基准
- primary standard for magnetic unit 磁学量单位基准器
- primary standard of magnetic field strength 磁场强度基准器
- universal primary standard substance 通用基准物
- primary standard for electromotive 电动势基准器
- The disease is still in its primary stage. 这疾病仍然在初发阶段。
- Josephson voltage primary standard 约瑟夫森电压基准
- primary standard capacitor microphone 基准电容传声器
- The little boy left primary school at eleven. 这个小男孩十一岁时小学毕业。
- Section 172 of the Clean Air Act, as amended in 1977, authorized postponement of the date for compliance with primary standards until 1982, or 1987 for oxidants and carbon monoxide, if that is "as expeditiously as practicable". 正如1977年修正的《洁净空气法案》中的第172条那样，如果控制的方法是“有效且实际”的话，批准延长时间到1982年，或者把对氧化剂和一氧化碳的限制延长到1987年。
