The contract size will be 1000grams per hand.
该合约规模将定在每手1000克。
The reasonable contract size can be determined based on rule of three and contract risk value rule.
合约规模是否合理可通过比例法和合约风险价值法来判断。
The reasonable contract size can be determined based on rule of three and contract risk value rule.
合约规模是否合理可通过比例法和合约风险价值法来判断。
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