你也可以加入地点资讯，但这要求手机开通了GPS或网路连接，因此你在地铁里或无信号区时无法获得这种资讯。

You can add the location as well, although it requires the phone to have a working GPS or network connection, so you can't get the information while on a subway or in a dead zone.

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彩色多普勤血流显像显示胎盘剥离区无血流信号。

No signals of blood flow was shown the abruption area of placenta by color Doppler flow image.

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所有病人二维超声心动图显示三尖瓣区无瓣叶活动，CDFI显示右房室连接处无血流信号。

Echocardiography in all patients showed tricuspid area without movement of the leaflets, no CDFI signal over the right atrioventricular junction.

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