In order to study dynamic stall phenomena of an aircraft in portrait at a high Angle of attack, designing a measuring device of heave oscillation for a low speed wind tunnel.

为了研究飞行器在纵向大迎角状态下的动态失速现象，设计了一套用于低速风洞的升沉振动测量装置。

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It presents the guidelines on how to adjust the installation location and incidence of stall warning device, and also discusses the reasons for metering of stall warning speed with indicated airspeed.

提出了如何调整失速警告器安装位置和安装角的指导性原则，论述了用表速计量失速预警速度的理由。

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This paper discusses the issue for locating, installation and calibration of stall warning device.

探讨失速警告器的选位安装与校准问题。

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However, our leadership position may not last as increasingly onerous burdens posed by regulation of new developments, like the FDA approval process, in conjunction with billions of dollars in new taxes imposed on pharmaceutical manufacturers and medical device makers threaten to stall innovation.

FORBES: Study Finds US Slips in Freedom, Health