However, embrittlement occurs in some metals at elevated temperatures and pressures.但是, 当温度和压力升高时,某些金属会脆化.The bank is worried about mounting inflationary pressures.银行对日趋加大的通货膨胀压力感到担忧。Excessive energy is also required to ...
The AC complex impedance method is widely used to charactrize electronic materials.ac复阻抗方法已广泛地用于表征电子材料.A new Capacitive - Gap - Coupled ( CGC ) band - pass filter based on SIR ( Stepped Impedance Resonators ) is presente...