CH:接触时间
“Contact Hours”通常缩写为“CH”,这种简写形式便于快速记录和使用,尤其在综合性的单位计量领域应用广泛。其对应的中文含义是“接触时间”,常用于描述教学、培训或服务过程中直接互动或参与的有效时长。
Contact Hours的英文发音
例句
- Take this perspective : your end users might occupy a plurality of their " contact hours " with your program viewing its error messages.
- 想象一下:最终客户可能会把同程序“接触时间(CH)”的大部分都消耗在查看程序所显示的错误消息上。
- When the material-cells direct contact for 48 hours, the cell growth rate, was evaluated at 2 hours and 4 days after removing samples. Meanwhile, the morphological observations ( microscope and SEM ) and quantitative anslysis of extract metal ions were taken.
- 将金属材料与细胞直接接触48小时,于去除后2小时和4天评定细胞增殖率,并作形态学观察(倒置显微镜和扫描电镜)和溶出金属离子的定量分析。
- Try not to contact them after work hours unless it's asked of you
- 除非有要求,不然不要在下班时间联系对方
- Sideswipe surveyed the area, until we lost contact with him four Earth hours ago.
- 侧击调查的地区,直到在地球时间四小时前,我们与他失去了联系。
- The school likes to have a contact number for parents during school hours.
- 学校想要学生在校时间和家长联系的电话号码。
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