The index futures margin level is an important factor to ensure the safe and efficient trading of index futures.

指数期货保证金水平是保证指数期货安全有效运行的重要因素。

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The first three quarters, the industry's overall gross margin level continues to increase, from about 18% of 06 year-end increased to 20%.

前三季度，行业的整体毛利率水平继续有所提高，从06年末的18%左右提高到20%左右。

youdao

The first three quarters, the industry's overall gross margin level continues to increase, from about 18% of 06 year-end increased to 20%.

前三季度，行业的整体毛利率水平继续有所提高，从06年末的18%左右提高到20%左右。

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