WDM technology is a method for increasing the transmission capacity of optical fiber, but the transmission performance in WDM system with high speed and long distance is limited.
波分复用(WDM)技术是增大光纤传输容量的方法，但是在高速率、长距离wdm系统中传输性能受到限制。
On account of the limited technology, it is difficult to diagnose all engine fault with the present method and tools.
因为技术手段的限制，现有的故障诊断方法及工具要快速、准确诊断发动机所有故障还有一定难度。
According to the Production of limestone mine of China Resources Cement (Guigang) Limited, introduced the principle, construction method and effect of the new interval charge technology.
结合华润水泥(贵港)有限公司石灰石矿山的生产实践，阐述了采用新型间隔装药爆破技术的作用原理和具体的施工方法及爆破效果。
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