CONTROL SURFACE, Moveable panels on wings and         操縱面，

tail for movement of airplane on pitch, roll and yaw axes. 機翼和機尾上的可動面板，用以操縱飛機俯仰，坡度，

                                                      和偏航運動。

CONTROL TAB, SEE - BALANCE TAB                        操縱片，

                                                        見“平衡片”Balance Tab．

CONTROL AREA, A controlled airspace extending         管制區(qū)域，

upwards from a specified limit above the earth.         高于地面的指定極限以上的受管制的空域。

CONTROL ZONE, A controlled airspace extending         管制范圍，

upwards from the surface of the earth to a specified     由地面到指定的高度以內(nèi)的受管制的空域。

upper limit.

CONTROLLED AIRSPACE, An airspace of defined           受管制空域，

dimensions within which air traffic control service is  一個范圍明確的空域。在該空域內(nèi)，儀表飛行規(guī)則飛行

provided to IFR flights and to VFR flights in accordance 和目視飛行規(guī)則飛行有空中交通管制服務(wù)。

with the airspace classification.

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CONVERSION, To change into another form.                 轉(zhuǎn)換，

                                                           改換到另一個方式。

COORDINATES, The intersection of lines of reference,     坐標(biāo)，

usually expressed in degrees/minutes/tenths of minutes     基準(zhǔn)線的相交點。一般以經(jīng)緯度的度／分／十分之一分

of latitude and longitude, used to determine position or 的讀數(shù)來確定位置和方位。

location.

CORROSION, A chemical action which causes gradual        腐蝕，

destruction of the surface of a metal by oxidation or      氧化或化學(xué)污染造成金屬表面逐漸破壞的化學(xué)反應(yīng)。

chemical contamination.