Later we got back on the X-Box and started playing, I think it was Halo when we heard my friend's parents get home, it was about 9 PM, about an hour early.
我们就又玩起了X盒子。大约九点的时候，我们听到一个朋友的父母回来了，比预期的时间早了一个小时。
Problem sets are due on 5 PM of the assigned due date. They should be placed in the 14.03 box.
问题集必须在规定日期的下午五点之前交上，放入14.03信箱内。
To improve the capability of the electric system, a three-level PWM power amplifier and Backboard of the control-box is designed, which are applicable to the bearing-less slice PM motor.
为了改善电气控制系统性能，设计了适用于片状无轴承永磁电机的双向三电平PWM功率放大器和控制箱转接板。
The paper presents a control system of an interior permanent magnet synchronous motor (IPM PM) for elevator driver without gear box. The system is based on DSP embedded processor.
针对无齿轮电梯对电机拖动的要求，实现了一种基于DSP嵌入式芯片的永磁同步电机调速系统。
After the lecture, assignments may be placed in a designated box until 4:30 PM.
课后，作业可以在下午4：30前放入指定的收集箱。
After the lecture, assignments may be placed in a designated box until 4:30 PM.
课后，作业可以在下午4：30前放入指定的收集箱。
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