Wants to be in an impregnable position in the market competition, the enterprise must renew the cost control idea, its key must look at the enterprise cost expense depression.
想在市场竞争中立于不败之地，企业必须更新成本控制观念，其关键要看企业成本费用的降低。
Compared to the new wheel tread, the worn tread is easy to form two-point contact nearby the depression area of the nominal diameter position of wheel tread.
与新用车轮踏面相比，测试得到的磨耗后车轮踏面在其名义直径位置凹陷区域附近容易形成踏面两点接触。
To analyze the mutuality factor of post stroke depression, such as incidence, age, position of brain damage, neurological function deficit scale etc.
从发病率、年龄、病程、脑损害部位、出血性质、神经功能缺损程度、日常生活能力等方面分析卒中后抑郁症的相关因素；
The characters of scratch trace and method of diagramming the faulted seam position with the figs of scratch trace side angle of depression are discussed.
论述了擦痕的特征及利用擦痕侧伏角图解断失煤层位置的方法。
When the tropical easterly flow decreases, the center position of depression moves northward, the strength of depression increases and the zonal width of depression widens.
当热带东风气流减弱时，低压中心位置偏北，低压强度增强，低压纬向宽度变大；
When the tropical easterly flow decreases, the center position of depression moves northward, the strength of depression increases and the zonal width of depression widens.
当热带东风气流减弱时，低压中心位置偏北，低压强度增强，低压纬向宽度变大；
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