semi-static position

The nurse puts Mr. Hope in a semi-Fowler's position.

护士把贺普先生调整成半坐卧姿势.

The apparatus was used in a six position semi-automatic shotblastin machine for long time.

该装置长期应用于六工位半自动抛丸机.

Position observer with sliding mode of a semi-closed loop AC servo mechanism

半闭环交流伺服系统滑模观测器研究

Par-ticularly ， during a total solar eclipse ， the whole process of the solar eclipse can be observed with the instrument. Moreover, both the exact position and size of the e-clipse at different times can also be measured. Therefore ， the projection semi-sphere was greatly loved by astronomy lovers.

尤其在日全食时，利用仰仪能清楚地观看日食的全过程，连同每一个时刻，日面亏损的位置、大小都能比较准确地测量出来。因此，仰仪是一种很受古代天文爱好者喜爱的天文观测仪器。

The semi-physical simulation system is established to test the position and load control system, the results show that the established mathematical model is reasonable and the controller meet the demand of the whole system design.

为验证所设计控制器的效果，建立了半实物仿真系统，对位置控制系统与载荷控制系统进行了检验。结果表明本论文建立的系统数学模型是合理的，控制器满足系统要求。