单词	下降时间
释义	下降时间fall time双向☞下降时间--衰减时间
随便看	long-range navigation{=loran} long-range navigation system long range navigation，loran long range navigation｛=loran｝ long range network long-range objective long-range oblique photography long-range oblique photography (lorop) long-range oblique photography {=lorop} long-range optical camera long-range optical camera (loroc) long range order long-range order long range order (lro) long range order parameter long-range order parameter long range particle long-range particle long-range patrol aircraft long-range patrol aircraft (lrpa) long range plan long-range plan long-range planning long range planning committee long range planning committee，lrpc