... 相对等厚度线 relative isohypse 相对散度 relative divergence 相对湿度 relative humidity ...
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其具有频率稳定度好、频率分辨率高、频率切换速度快、相位噪声和杂散干扰分析相对简单、体积小、功耗低等优势。
It has great advantages of frequency stability, high frequency resolution, speed of frequency switching, simple analysis of phase noise and spurious, small size and low power.
指出在三维空间中只可引入梯度、旋度、散度，除此之外不可能再引入其它与之相对应的“度”。
The conclution of the paper is, only concepts of gradient, divergence and curl can be introduced to the three coordinate place. Any other concept, such as "dimension"is unnecessary and impossible.
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