“natural disasters in China”的概念、定义、翻译、参考文献-科学参考

单词	natural disasters in China
释义	natural disasters in China Encyclopedia 理学中国自然灾害释 natural disasters in China中国自然灾害在中国境内，由于自然力的破坏性因素和人类过失行为造成人员和物资资源损失，并使社会发展倒退的现象。
随便看	variable thrust rocket engine variable thrust rocket motor variable time scale variable transformation variable ultrafast photographic shutter variable ultraviolet object variable valve lift variable valve mechanism variable valve timing variable valve timing system variable-velocity star variable voltage variable water flow central air-conditioning system variable X-ray source variable γ-ray source variace-covariance matrix variance variance analysis variance analysis of one-way grouping data variance analysis of subgroup data in group variance analysis of two-way data variance-balanced block design variance between classes variance between clusters variance between laboratories

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