The dynamic object should arrive at the view field of the collimator in the camera exposure time to simulate infinity object.
在相机拍照曝光时间内，尺形分辨率板运动至平行光管的视场内，以模拟无限远动态目标。
In Sect. 4.3.4 we show that the Dirac operator in an external field has the same essential spectrum as the free Dirac operator provided the potential vanishes at infinity.
在4.3.4节，我们证明了狄拉克算子在外场中有着对应着无穷远处时零势能极限的自由狄拉克算子的相同的本质谱。
A renew cognition of vacuum fields is proposed according to which usual form of the vacuum field is modified to deal with the problem of infinity.
提出对真空场的再认识，并据此修改了真空场量的通常形式，处理紫外发散问题。
Because of image clear, visual field wide and good depth of field, wide-angle infinity display system has been used in a lot of flight simulators.
广角无限远视景显示系统以其图像清晰、视场角大、纵深感强等特点被广泛的应用在飞行模拟器中。
A renew cognition of vacuum fields is proposed according to which usual form of the vacuum field is modified to deal with the problem of infinity. The magnetic mass of electron are worked out.
提出对真空场的再认识，并据此修改了真空场量的通常形式，处理紫外发散问题。计算了电子与电磁场作用的顶角函数和电磁质量。
A renew cognition of vacuum fields is proposed according to which usual form of the vacuum field is modified to deal with the problem of infinity. The magnetic mass of electron are worked out.
提出对真空场的再认识，并据此修改了真空场量的通常形式，处理紫外发散问题。计算了电子与电磁场作用的顶角函数和电磁质量。
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