用户名：
密码：
登 录
个人中心
系统维护
用户注册
联系我们
当前位置 >
首页
> 公式、表格、符号、图形细览
OVER-G RO UN D ATTENUATION AS GIVEN IN AIR1751:1981 FOR THE SOUNDFROM AIRPLANES W ITH FUSELAGE-M OUNTED JET ENGINES
标准号：
AIR5662
标准名称： Method for Predicting Lateral Attenuation of Airplane Noise
同源图形
ILLUSTRATION OF BANK
ILLUSTRATION OF ENGI
GROUND AND REFRACTIO
M A G N IT U D E OF
MAGNITUDE OF THE TOT
MAGNITUDE OF THE TOT
OVER-G RO UND ATTENU
CONCEPTUAL CO M PO N
CONCEPTUAL DETERMINA
MEASURED DATA AND RE
MEASURED DATA AND RE
M E A S U R E M E N
LONG-RANGE AIR-TO-GR
INDIVIDUAL LONG-RANG
TOTAL LATERAL ATTENU
OVER-GROUND ATTENUAT
OVER-GROUND ATTENUAT
AVERAGE OVER-GROUND
A V E R A G E O VER-
MEASURED (DASHED LIN
PREDICTED LATERAL AT
PREDICTED LATERAL AT