Indoor air quality can be improved efficiently.
可以有效提高室内空气品质。
The experiments show that the accuracy can be improved efficiently by shortening the width of emitter plate.
实验表明，缩短发射极板宽度能有效地提高卡尺的精确度。
The output swing can be improved efficiently with push-pull class-AB output stage, thus high-drive capability with low power supply is obtained.
输出级采用推挽式AB类结构，能有效地提高输出电压的摆幅，从而得到电路在低电源电压下的高驱动能力。
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