题目内容
Sometimes a firm will lower prices below their costs in order to build a customer base.
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Consumer perceptions of product quality are affected by promotions and packaging, but not by the price of the product.
Su-Lin:Oh, hello! Good morning,MadamGuest 1: (Grumbling) My room needs _______. Can you do it now?Su-Lin:(Stops what she is doing to face the guest) Of course. I’ll get to your room as soonas I’m finished here.Guest 1:Why can’t you ________ first?Su-Lin:(Flustered) Well, let me_____ with my supervisor...Guest 1:We really need some clean towels.Su-Lin:I will make sure to get those to you,Madam.Guest 1:My _______ is brokenSu-Lin:I'll have someone look at it as soon as possible.Guest 1:And did I mention that the hot water is not workingSu-Lin:I ______ for the problems with your room. Let me call Engineering to ensure they get these things resolved.Guest:Yes, I wish you would!
自感式传感器包括变气隙式自感传感器、变面积式自感传感器和螺线管式自感传感器。
自感式传感器测量电路包括调幅电路、调频电路和调相电路。
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