The instruction covers using method and maintenance common senses of sighting telescope.

本说明书介绍了瞄准镜的使用方法和维护、保养常识。

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Check whether connection between cable plug of sighting telescope and corresponding socket (XS1) is loose or not.

检查瞄准镜电缆插头与相应插座(xs1)之间连接是否松动。

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Lock adjusting mechanism of two connecting rods and two optical wedge lock nuts of sighting telescope center (No. 7 in Fig. 1).

锁紧二连杆的调整机构和瞄准镜中部的二个光楔锁紧螺母（图1序号7）。

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But for the most part, the onlookers hopes of sighting a jailed relative were dashed.

VOA: standard.2009.05.25

Its Mount Seymour Provincial Park - just moments from the city centre - provides more than a dozen popular hiking trails and the possibility of sighting (preferably from a good distance) a bear or cougar.

BBC: Vancouver: Land of the lotus-eaters

At the time of his death police said the last confirmed sighting of Mr Roberts had been the day his court appearance was reported but they said they were keeping an open mind about the motive.

BBC: John Roberts murder police interview 300 people

Intercut with Smith's journey are reflections on the rarity of paintings like Vermeer's The Concert, and the account of Boston Herald reporter Tom Mashberg 's possible sighting of one of the stolen works, Rembrandt's "Storm on the Sea of Gallilee, " in a Boston warehouse in 1997.

FORBES: The Greatest Art Theft In U.S. History