持仓差表示的是今天与昨天相比总持仓量的增减。
对于有限风险交易，有限风险溢价(有限风险额外点差)在开仓交易时被收取。
For Limited Risk transactions, a Limited Risk premium is charged on the opening.
本文计算并测定了FA022型多仓混棉机的各仓一次充满容量和一次充满时间、混和时延容量、时间差及混和长度等；
Calculating and measuring the full bin capacity, time of each bin, mixing delay capacity, feed time difference, and mixing length, etc. , are investigated in this paper.
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