“enroute turning area”的概念、定义、翻译、参考文献-科学参考

单词	enroute turning area
释义	enroute turning area [en`rüt `tǝrn·iŋ ´er·ē·ǝ] ^NAVIGATION An area of specified dimensions used by an aircraft when a change of course is necessary; the area extends beyond the primary and secondary obstruction clearance areas and is provided with adequate protection; turning area criteria supplement the basic airways and route segment criteria to protect the aircraft. Also known as turning area.
随便看	dense subset densify densimeter densitometer density density airspeed density altitude density bombing density bottle density channel density correction density current density-dependent factor density effect density error density function density gage density gradient centrifugation density-independent factor density indicator density log density matrix density modulation density of states density packing

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