... air-disinfectant aerosol 空气消毒气雾剂 airborne emergency medical center 急诊空运中心 aircraft life cycle cost 航空器全寿命费用 ...
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The evaluation and forecast of the life cycle cost for an aircraft flight system is the important link in the system optimization and R&D of aviation engineering.
飞机飞控系统的寿命周期费用估算与预测是航空工程系统优化和研发的重要环节。
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The price-tag looks even heftier when the limited versatility and survivability of unmanned aircraft are factored into the life-cycle cost equation.
FORBES: The Revolution In Unmanned Aircraft Is Overrated
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