Some resident foreigners have expressed concern that a new wave of anti-foreign sentiment seems to be sweeping China, perhaps in parallel to the cooling in ardor for foreign investment.
一些常驻于此的外国人对中国新出现的排外潮表示担忧，这也许和外国投资遇冷有关。
Traveling wave dispersion in the parallel line is more complex than that in the single line and is an important reason why the fault location error is large for traveling wave method.
行波色散是造成故障测距误差大的重要原因：利用行波故障定位时要考虑采用多相行波数据。
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