A pie chart is a circle divided into sections to show the relative proportions of a set of things. ( )

A . the deck line B . Plimsoll disc C . Plimsoll line D . summer load line

A、latitude scale near the middle of the track line B、longitude scale near the middle of the track line C、latitude scale at the multitude of the chart D、latitude or longitude scale at the middle of the scale

A、Top center B、Lower-left corner C、Part of the chart title D、Any clear area around the neat line

A . Select the block that contains the data to appear in the pie chart.  B . Select the table that contains the data to appear in the pie chart.  C . Select the view that contains the data to appear in the pie chart.  D . Nothing. The wizard will automatically create the pie chart based on the highlighted data.

A . Mercator projection B . polyconic projection C . orthographic projection D . gnomonic projectio

A . sailing chart B . general chart C . coast chart D . harbor chart

A . signal indicating a course change B . distress signal C . signal of asking to communicate with another vessel D . signal indicating danger

A . Azimuthal gnomonic projection B . Lambert conformal projection C . Transverse Mercator projection D . Polyconic projectio

A、when there are numerous corrections to be made or the corrections are extensive B、when a low-stock situation occurs and minor corrections are made C、every two years to update the magnetic variation information D、after every major hydrographic survey of the area covered by the chart

A . Magnetic compass table B . Magnetic meridians C . Isogonic lines D . Variation is not indicated on small-scale nautical chart

A . at the top center of the next line B . near the chart title C . at the lower left corner D . at any convenient locatio

A . Aero light B . Radar station C . Radar transponder beacon D . Radiobeaco

A . Easily plotted on a Mercator chart B . Negligible increase in distance on east-west courses near the equator C . Does not require constant course changes D . Plots as a straight line on Lambert conformal chart

A、cylindrical projection B、simple conic projection C、polyconic projection D、rectangular projection

A . Greater than the declination and both are of the same name B . Less than the declination and both are of the same name C . Greater than the declination and both are of contrary name D . Less than the declination and both are of contrary name

A . total number of observations B . average wind force on the Beaufort scale C . average wind force in knots D . percentage of calm

A．椭圆ellipse B．与视图相同的圆the same circle as the real size C．放大1.22倍的圆 1.22 time circle D．放大1.22倍的椭圆1.22 time ellipse