It is not a long time since the establishment of gold market in China, and the incomplete market structure leads to low efficiency.
中国黄金市场建立时间较短，市场效率较低，这在很大程度上是由于目前国内黄金市场结构不完善现状造成的。
In the process of preparation of biodiesel, the immiscibility of oil and alcohol leads to low transesterification rate and low production efficiency.
在生物柴油生产过程中，由于原料油与醇不互溶，导致生物柴油生产过程中酯交换速率低，影响了生产效率。
The mechanical efficiency of this machine is very low, which leads to its failure in finishing its task every month.
这台机器的机械效率很低，每个月都完不成任务。
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