A、A.mean sea level
B、B.mean high water
C、C.mean low water
D、D.half-tide level
更多“The reference datum used in determining the heights of land features on most charts is（）.”相关的问题
A、vertical distance from the tidal datum to the ocean bottom plus the height of the tide B、vertical distance from the tidal datum to the ocean bottom C、average height of water over a specified period of time D、average height of all low waters at a place
A、vertical distance from the chart sounding datum to the ocean bottom，plus the height of tide B、vertical distance from the chart sounding datum to the ocean bottom C、average height of water over a specified period of time D、average height of all low waters at a place
A、A.This Sentence refers to the validity of the Certificate B、B.This Sentence refers to the time of the Certificate C、C.This Sentence refers to the date of the Certificate D、D.This Sentence refers to the issue of the Certificate
A、determine true bearing and distance between two geographical points B、determine magnetic compass deviation C、transform a local datum to the WGS-'84 datum D、convert "graphical coordinates" to "display coordinates"
A、'pc' refers to the number of physical processors consumed, while 'ec' refers to the percentage of entitled capacity consumed. B、'pc' refers to the 'physical CPUs' and lists how many are left un-allocated, while ec' refers to the 'entitled CPUs' and lists what amount is currently allocated to the LPAR. C、'pc' refers to the 'processor count' and reflects how many CPUs are allocated to the LPAR, while 'ec ' refers to the 'extra capacity' and lists how much above the LPAR entitlement is being consumed. D、'pc' refers to 'processor cards' and reflects how many MCM modules are actually being used by this LPAR, while 'ec' refers to the 'entitled CPUs'and lists what amount is currently allocated to the LPAR.
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