... 共同市场 Common market 共母体比例 Common population proportion 共同变异数 Common population variance ...
双语例句
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The elderly boom, a surge in the proportion of the population older than 65 years old (included), common in both developed and developing countries, is believed to weaken the society as a whole.
Bone metastases unfortunately remain a common site of recurrence, with breast and prostate cancer patients representing a substantial proportion of this population.