结论减少或控制透视比例，降低受检者群体的体表剂量，以减少医疗照射对人体造成的危害。
Conclusions To reduce or control chest fluoroscopic proportion will decrease surface dose from diagnostic X-ray of patients.
人类和动物形象一同出现在他的画布上，比例和透视都被颠覆。
Human and animal figures share a space in which proportions are subverted and thus perspective as well.
与西洋画不同，中国画不受透视、比例及光的限制。
Different from Western paintings, a Chinese painting is not restricted by perspective, proportion and light.
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