In the study of linguistics, hypotheses formed should be based on language facts and checked against the observed facts.
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全面质量管理的含义是什么?
农村社区的节日、庙会、物资交流会等集体活动往往安排在农闲时间进行,这也反映了自然因素对社区生活的影响。
Linguistics studies particular language, not languages in general.
销售与收款循环的控制测试应当包括哪些程序?