“1∶500000 spatial database of environment geology survey”的概念、定义、翻译、参考文献-科学参考

单词	1∶500000 spatial database of environment geology survey
释义	1∶500000 spatial database of environment geology survey Encyclopedia 理学地质调查数据库释 1∶500000 spatial database of environment geology survey1∶500000环境地质调查空间数据库应用计算机技术、地理信息系统和数据库技术，将1：500000区域环境地质调查成果资料进行数字化形成的数据库。
随便看	sampling survey system of main livestock and poultry farming sampling system sampling technique of continuous random variables sampling technique of discrete random variables sampling technique of random process sampling technique of random vectors sampling test sampling theorem sampling theory sampling unit sampling up-the-ramp sampling with arbitrary probability sampling with equal probabilities sampling with equal probability sampling with non equal probabilities sampling with non-equal probabilities sampling with nonequal probabilities sampling without replacement sampling with PPS sampling with probabilities proportional to size sampling with probability proportional to size sampling With replacement sampling with replacement sampling with unequal probabilities samploscope

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