然而,从Windows 3.0开始,系统字体成为一种变宽(variable-pitch)字体,这意味著不同的字元具有不同的大小,比如,「W要比「i宽。变宽字体比等宽字体好读,这已经是公认的事实。
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variable pitch 可变节距 ; 变桨距 ; 可变螺距
variable pitch propeller 变距螺旋桨 ; 变距螺桨 ; 可变螺距螺旋桨
variable pitch airscrew 变距螺旋桨 ; 变距空气螺旋桨
variable pitch screw 变距螺旋桨 ; 变距推进器 ; 变螺距螺旋桨 ; 可调螺距螺旋桨
variable pitch reversing propeller 变距可逆转螺旋桨
Variable Pitch Blade 变矩桨叶
variable speed variable pitch 变速变距 ; 变速变桨距
variable pitch cylindrical helical spring 不等节距圆柱螺旋弹簧
variable pitch controller 可变节距调节器
So combining Fuzzy control technology with PID is proposed in this paper. This thesis designed a Fuzzy-PID controller of variable-pitch control system.
独立变桨距控制也是变桨控制的一种重要方法。
参考来源 - 风力发电变桨距控制技术研究·2,447,543篇论文数据,部分数据来源于NoteExpress
"It's a variable-pitch propeller, which is like having gears on a bike," Land says.
“这是一个变距螺旋桨,就像在自行车上安齿轮一样,”兰德说。
In order to get a good performance on preventing cavitation, the impeller of magnetic driving pump is designed in low-NPSHR method and variable-pitch inducer is installed.
为了获得良好的抗汽蚀性能,对磁力泵叶轮采取低汽蚀余量设计措施,同时配置变螺距诱导轮。
In this paper, theoretical and experimental investigation on the newly developed equipment of renewable tidal-current energy spring-control vertical-axis variable-pitch turbine is presented.
本文着重阐述了一种新型的潮流发电装置——弹簧控角竖轴直叶水轮机的工作原理和试验研究过程。
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