该专业课程内容包括：机械概论、电气系统、校估方法、器械安全等。
Courses of study include an orientation to mechanics, electrical systems, calibration methods, and equipment safety.
第三部分研究了反结o - D问题，在比例分配，平衡分配及统计挂断的基础上，提出了一种新的平衡分配下的反估方法。
In the third part, we give a brief review of estimating trip matrix from traffic counts, and a new equilibrium algorithm to estimate Origin-Destination matrix from link flows is presented.
首先是要有可靠地估值方法，他指出在这里有两种可行的方法。
The first is a reliable method for valuation, of which he says there are two.
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