The effective - index model of photonic crystal fiber was introduced at first.

介绍了光子晶体光纤的等效折射率模型.

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Conclusion Osborn wave in electrocardiogram is an effective index in predicting malignant ventricular arrhythmia after AMI.

结论心电图Osborn波可作为AMI病人恶性室性心律失常有效预测指标.

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The effective index method ( EIM ) and its inherent errors are analyzed, and an improved method is proposed.

分析了有效折射率法及其计算偏差的产生原因, 提出了一种改进方法.

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The conventional effective index method can only simulate the photonic crystal fibers with single cladding structure.

传统有效折射率方法只能模拟具有相同空气孔大小的单包层光子晶体光纤.

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In the embedded database system, the highly effective index mechanism is the base of effective inquiry.

在嵌入式数据库系统中, 实现高效查询必须有一套高效的索引机制.

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