Based on the principle of period transit method, semi-period transit method of collimation is proposed to improve the north-seeking speed and the automatic degree.

由陀螺仪寻北中天法的基本原理出发，提出了一种固定照准部的初寻北半周期中天法。

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On Saturday evening he went 74 minutes without potting a ball, a period in which Shaun Murphy scored 517 points in going from 6-3 down to 8-6 up in their semi-final.

周六晚他有74分钟的时间一颗球未进，在此期间肖恩·墨菲拿了517分，并在这场半决赛中从3：6落后打成8：6领先。

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Its 792 serving members are to be replaced, after a transition period, by a semi-elected house (possibly called a Senate) of as few as 300 members.

792名议员将在过渡期后被300人左右半选举产生的议院(可能名为参议院)代替。

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But there was certainly a semi-dangerous period in life where my body's entire liquid intake consisted only of Diet Coke.

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But after four decades of music-making, he entered a period of semi-retirement.

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But as Jo Ann and Bob Shirilla of Poland, Ohio, discovered, sometimes working together can provide a surprisingly enjoyable way to earn an income, travel and have fun experiencing a period of semi-retirement before settling into full-on retirement.

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