单项选择题

将整周未知数当作平差中的待定参数——经典方法, 整周未知数理论上讲应该是一个整数,利用这一特性能够提高解的精度。短基线定位时一般采用这种做法。 A. 对 B. 错

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'Shallow depth' in the last paragraph implies______.A.being yourself in the performanceB.trying to look seriousC.pretending to be well-preparedD.being seemingly knowledgeable
A.A.being
B.trying
C.pretending
D.being
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By saying 'While it's true that…, be the scientific or artistic' (Lines 1~4, ParA.5), the author means that______.A.business management should be included in educational programsB.human wisdom has accumulated at an extraordinarily high speedC.human intellectual development has reached new heightsD.the importance of a broad education should not be overlooked
A.5),
B.
A.business
C.human
D.human
E.the
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