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- harmonic of field errors 场不均匀性谐波
- Choosing the BFEL parameters, we simulated the effects on FEL spontaneous spectrum due to field errors, and obtained the acceptable condition of all kinds of field errors in undulator. 并讨论了各种场误差对自由电子激光器自发辐射谱的影响，选择北京自由电子激光器(BFEL)参数，进行模拟，最后确定出各种场误差的可接受条件。
- Based on harmonics of field quantity, an equivalent leakage reactance model of magnetic frequency tripler is first presented in this dissertation. 为设计三倍频变压器，减小等值漏感抗，提高三倍频变压器的输出 功率提供了有效的分析方法。
- A brigade of field artillery was waiting, limbered up. 一旅野战炮队正在待命，他们的炮都已装在前车上了。
- I think the photo doesn't have good depth of field. 我看这张照片的景深不够。
- The picture does not have good depth of field. 这张照片景深不够。
- I think the photo do not have good depth of field. 我看这张照片的景深不够。
- Both are based on observations of field phenomena. 两者都以流场现象的观测结果为基础。
- How to guarantee the precision of field certifier. 浅谈现场认证测试仪的精度保证。
- The picture doesn't have good depth of field. 这张照片景深不够。
- Landscape Ecological Functions of Field Boundary. 试论农田边界的景观生态功能
- A subdivision of field; a field within a field. 字段的一个子部分,即字段中的字段。
- Response to weather conditions, size of field etc. 对天气条件,场地大小的反应等等。
- The lectures and seminars of the course are to be backed up by a heavy program of field work. 这门课程除讲课和讨论外，还有大量的实地调查作为补充。
- NA harmonization of policies and regulations. 北美政策和规定融合。
- Using the VI program to measure the harmonic of switching power supply. 利用该VI程序测量开关电源输出量的谐波;
- Analysis of field statics error in seismic exploration. 地震勘探野外静校正量误差分析
- I think the photo does not have good depth of field. 我看这张照片的景深不够。
- The lectures of this course are to be backed up by a comprehensive programme of field work. 这门课程除了讲课外，还有综合性的现场实习加以补充。
- This occurs only when the second fork is tuned to a resonant harmonic of the first tuning fork's note or waveform. 当第二个音叉被调谐到与第一个音叉调谐音或波形能发生谐波共振的时候这些才会出现。
