Specification of bookkeeping company has itself to buy or rent a fixed working field and equipment, if do not have work place, so the company industry cannot be trusted!
规范的代理记帐公司都有自个买下或租用的固定工作场地和工作设备，假如没有工作场地，这么的公司业是不能信赖的！
Owing to the lack of prime materials and the hindrance of ancient language, the research on the rent ratio of field-lease hasn't got creationary achievement.
由于原始材料的缺乏和古代语言文字的障碍，学术界对古巴比伦时期土地租赁中租金比率的研究，多年来一直没有取得突破。
Approximate analytic solutions of cur-rent and magnetic field distribution and the critical current are obtained when the radius of the junction is very small.
在结半径比较小的情形给出电流密度分布、磁场强度分布以及临界电流值的近似解析公式。
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