三域系统 （Three-domain system）：分子生物学和细胞学证据指出，原核生物的两个谱系，即细菌和古细菌在生命史的很早时期就已分开，古细菌与真核生物比与细菌还近...
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... 等价 of equal value; equal in value; equivalence 三域系 three-domain system 半邻域 half neighborhood ...
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This paper presents the time domain analysis of three orders discrete system by power series, which can study not only the time invariant system, but also the time variant system.
利用幂级数的方法，对三阶线性离散系统进行时域分析，其方法不仅可以研究线性非时变离散系统，而且还可以研究线性时变离散系统。
The response of electromagnetic pulse logging in anisotropic formation was simulated with three-dimensional finite-difference time-domain (FDTD) method in cylindrical coordinate system.
利用三维柱坐标系时域有限差分(FDTD)方法计算了各向异性地层中电磁脉冲测井响应。
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