A language riot is in essence an ethnic conflict. Therefore, it will threaten to split a country and should be taken ser语言暴乱的实质是种族冲突，因此它会给国家带来分裂的威胁，必须加以重视。
As far back as 2001, Chinas United Nations envoy for disarmament affairs, Hu Xiaodi, argued that NMD is, in essence, a d自从2001年以来，中国国家裁军事务专使胡晓弟声称：NMD在根本上是披在单边核武主义上的一层伪装，它将阻碍国际军控以及裁军，甚至引发新一轮的军备竞赛。
At least 3 years working experience in essembeling, repairing and manufacturing Medical equipment, thereinto, at least 2至少在医疗仪器制造、装配与修理行业中有三年的实际工作经验，其中有至少两年的医疗诊断仪器经验，尤其熟悉酶标仪、洗板机、生化分析仪与尿液分析仪。
Based on summary and analysis of various forms of contract between firm and customer, it is found that contract relation在总结和分析企业与客户契约关系不同形式的基础上，指出由于信息不对称和契约的不完备性，逆向选择与道德风险问题成为企业与客户契约关系的本质特征。
“Human history is in essence a history of ideas” (H.G. Wells).“人类历史本质上是一部思想史”(H·G·威尔斯）。