... c(a)esium vapour magnetometer 铯气磁强计 calcium age 钙龄 calibration temperature 校准温度 ...
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potassium-calcium age method 钾钙年代测法 ; 钾钙测年法
As people age and their bones weaken, he said: “Those who had adequate vitamin D and calcium will slide down from the top of the mountain.
当年老之时，他们骨骼脆弱，他说道：“那些摄取了充分的维生素D和钙的将从山顶滑落。
About 61% of women over the age of 60 take calcium, compared with only 28% in 1988-1994.
近61%的60岁以上女性补钙，而1988—1994年这一比例只有28%。
They need more calcium and vitamins with advancing age, and many do not get them.
伴随着年龄的增长，老年人对钙和维生素的需求逐渐增加，但许多人却无法获得足量的营养物质。
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