单词	abac scale
释义	ABAC scale ABAC scale A nomogram for obtaining the conversion angle to apply when plotting great circle bearings on a mercator projection. ABAC scale ABAC scale A nomogram for determining the conversion angle to apply when plotting great-circle bearings on a Mercator projection. ABAC scales are printed on the margins of Mercator plotting charts. Scales A and C are interrelated, as are B and D. In the illustration, the ABAC scale measures the conversion angle for two places that have a 16° change of longitude between them and a mean latitude of 50°. The conversion angle in this case is 6°.
随便看	watchguard system manager watch gun watch her back watch her language watch her like a hawk watch her mouth watch herself watch her smoke watch her tongue watch her with an eagle eye watch him like a hawk watch himself watch him with an eagle eye watch his back watch his language watch his mouth watch his smoke watch his step watch her step watch his tongue watchhouse watch idiot savant watching watching back watching brief watching for

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