“河西地区农业”的概念、定义、翻译、参考文献-科学参考

单词	河西地区农业
释义	河西地区农业 Encyclopedia 管理学〔区域农业〕释 agriculture in Hexi region河西地区农业河西地区生产农产品的社会生产活动。河西地区东南起自乌鞘岭，西北止于疏勒河下游，夹在祁连山与合黎山、龙首山、马鬃山等山脉之间，西宽东窄，狭长且直，呈东南—西北走向的狭长状平原。
随便看	sample preparation instrument sample pretreatment sample pretreatment of free drug analysis sample pre-treatment technology sample pretreatment technology for pharmaceutical analysis sample process sample proof sample proportion sample quantile sample quartile sampler sample range sample raw moment sample regression coefficient sample representativeness sample residual dispersion sample rotation sampler; sampling head samples calculation sample site sample size Sample size estimation sample skewness sample space sample space ordering

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。