名词解释题音域（Compass）
名词解释题
音域（Compass）
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相关考题：
Which one of the followings is incorrect about magnetic compass?______.A.The magentic compass is compulsory on my vesselB.The magentic compass is prone to errorC.The magentic compass is always placed inside steel constructionsD.The magentic compass needs to be calibrated to compensate for local magnetic distortion
The compass rose on a nautical chart indicates both variation and ______.A.deviationB.annual rate of variation changeC.precessionD.compass error
When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed，the watch officer should record the results ______.A.in the vessel's Official LogbookB.on the compass deviation cardC.in the compass deviation logD.on a Napier diagram
Deviation is the angle between the ______.A.true meridian and the axis of the compass cardB.true meridian and the magnetic meridianC.magnetic meridian and the axis of the compass cardD.axis of the compass card and the degaussing meridian
If a magnetic compass is not affected by any magnetic field other than the Earth’s which statement is TRUE?______.A.Compass error and variation are equalB.Compass north will be true northC.Variation will equal deviationD.There will be no compass error
Magnetic compass deviation______．A.varies depending upon the bearing usedB.is the angular difference between magnetic north and compass northC.is published on the compass rose on most nautical chartsD.is the angular difference between geographic and magnetic meridians
Magnetic heading differs from compass heading by______．A.compass errorB.true headingC.variationD.Deviation
京剧“二黄”唱腔的特点是（）A、速度较慢，音域较低，具有暗淡、凝重、平静的特点B、速度较快，音域较高，起伏跌宕，高亢、华丽、活跃、明快的特点C、速度较快，音域较高，具有庄严、凝重、悲伤的特点D、速度较快，音域较高，具有悲壮、悲愤、凄凉、悲楚的特点
填空题根据性别和年龄的差异、音域和音色的特点，将人声分成若干类别叫（）。女高音优美抒情，女中音、女低音（），男高音坚实明亮，男中音、男低音深沉（）。音域一般为（）度，男声比女声低一个（）度。童声音色清脆明亮，音域一般不超过（）度。
单选题Deviation is the angle between the（）.Atrue meridian and the axis of the compass cardBtrue meridian and the magnetic meridianCmagnetic meridian and the axis of the compass cardDaxis of the compass card and the degaussing meridian
单选题As a vessel changes course to starboard，the compass card in a magnetic compass（）.Aremains aligned with compass northBalso turns to starboardCfirst turns to starboard then counterclockwise to portDturns counterclockwise to port
单选题Variation in a compass is caused by（）.Aworn gears in the compass housingBmagnetism from the earth's magnetic fieldCmagnetism within the vesselDlack of oil in the compass bearings
单选题To center a compass bowl in its binnacle，you should have the ship on an even keel，heading north or south，and adjust the screws until（）.Athe compass heading is in line with the lubber's lineBthere is no lost motion in the gimbal ringsCno change of heading by compass is observed if you raise and lower the heeling magnetDthe gimbal rings do not strike the compass frame when they are tilted
单选题The compass error of a magnetic compass that has no deviation is（）.AzeroBequal to variationCeliminated by adjusting the compassDconstant at any geographical location
单选题Magnetic compass deviation（）.Avaries depending upon the bearing usedBis the angular difference between magnetic north and compass northCis published on the compass rose on most nautical chartsDis the angular difference between geographic and magnetic meridians
单选题Compass deviation is caused by（）.Amagnetism from the earth's magnetic fieldBmisalignment of the compassCmagnetism within the vesselDa dirty compass housing