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单词	adjustable-pitch propeller
释义	adjustable-pitch propeller Translations adjustable-pitch propeller adjustable propeller A propeller with blades that can be set to a desired pitch on the ground when the propeller is at rest. The pitch of the propeller blades cannot be adjusted in flight. Also known as adjustable-pitch propeller.
随便看	sample statistic sample survey sample survey military personnel sample surveys in agriculture and rural development sample time sample variance sample vital registration with verbal autopsy sampling sampling adjustment factors sampling and address-correction feedback operation sampling and analysis plan sampling area ratio sampling bias sampling bottle sampling clock frequency offset sampling distribution sampling error sampling errors sampling fraction sampling frame sampling frames sampling frequencies sampling frequency sampling gate sampling interval

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