Using the precise ephemeris and the precise satellite clock correction can realize precise point positioning ( PPP ) .精密 单点 定位的实质就是利用精密星历和精密卫星钟改正来实现定位.Compared with traditional detection method measuring method is simple...
Victorian houses can seem cold with their lofty ceilings and rambling rooms.维多利亚式房屋屋顶高耸，房间布局凌乱，因此可能会显得较为阴冷。The wall caved in to reveal a blocked-up Victorian fireplace.墙坍塌了，露出砌在里面的维多利亚时代的壁炉。There are some delightful Vict...