Conclusion there is a high correlation between the ratio of trabecular area of lumbar spine and BMD, therefore, we can estimate BMD by ratio of trabecular area.
结论椎体小梁骨面积比值与骨密度间密切相关，由此我们可通过小梁骨面积比值对骨密度作出评价。
The correlation coefficient of the annual mean temperature with the area index of the subtropical high in winter is largest.
且年平均气温与冬季副高面积指数相关最显著。
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