The full effect of Sunday's total solar eclipse was visible to just a few people along a narrow, 155-mile-wide (250-kilometer-wide) band of the Pacific Ocean.
只有少数人有幸观测到了周日日全食的完整效果,因为它沿着太平洋所投下的本影带只有250公里宽。
The method defines the ratio of maximum energy band spectrum to total power spectrum as an eigenvalue of SEMG, which decreases the individual difference effect to the lowest.
该方法的主要特点是以实时取得的SEMG功率谱信号为基础,确定最大功率谱附近的谱能量与全信号段谱能量之比为特征值,将人的个体差异影响降低到最低程度。
In the line-defect waveguides, the transverse-electric (TE) and transverse-magnetic (TM) polarization lights are guided using photonic band-gap and total internal reflection effect, respectively.
在线缺陷波导中,TE和TM两种偏振光分别靠光子带隙效应和全内反射效应传播。
In the line-defect waveguides, the transverse-electric (TE) and transverse-magnetic (TM) polarization lights are guided using photonic band-gap and total internal reflection effect, respectively.
在线缺陷波导中,TE和TM两种偏振光分别靠光子带隙效应和全内反射效应传播。
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