When navigating using DGPS（Differential Global Positioning S

A. remote scheduling of software distribution

B. comprehensive logs, reports, and graphs

C. automatic discovery of Cisco WAEs

D. content pre-positioning

Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE ________．

A.Stack weights should be less when using a solid bar lashing as compared to a wire lashing

B.Stack heights may be increased when using a solid bar lashing

C.Stack heights should be reduced when using a solid bar lashing

D.Solid bars should be used for lashing the first tier only，with wire lashings on the higher tier（s）

差分GPS(Differential GPS，DGPS)由：()组成

A、接收站

B、基准站

C、用户设备

D、监测站

When navigating in high latitudes and using a chart based on a Lambert conformal projection，______.

A.a straight line drawn on the chart approximates a great circle

B.the chart should not be used outside of the standard parallels

C.the course angle is measured at the mid-longitude of the track line

D.distance cannot be measured directly from the chart

When navigating using DGPS（Differential Global Positioning System）you may expect your position to be accurate to within a radius of ______．

A.10 meters

B.20 meters

C.50 meters

D.100 meters

A、EDI(Electronic Data Interchange)

B、GIS(Geographical Information System)

C、GPS(Global Positioning System)

D、IT(Information Teach)