The contract shall be valid for 10 years from the effective date of the contract, on the expiry of the validity term of contract, the contract shall automatically become null and void.
本合同有效期从合同生效之日算起共10年，有效期满后，本合同自动失效。
The term null hypothesis arose from earlier agricultural and medical application of statistics.
无效假设这个概念产生于早期的统计学在农业和医学方面的应用…
The term null hypothesis arose from earlier agricultural and medical application of statistics.
无效假设这个概念产生于早期的统计学在农业和医学方面的应用…
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