帮看看，总是找不到合适的表达

a nutritionally acceptable source of calcium which is substantially equivalent to approximately 1.3 to 1.96 percent by weight of calcium citrate
帮看看，总是找不到合适的表达

lxdyezi wrote:
a nutritionally acceptable source of calcium which is substantially equivalent to approximately 1.3 to 1.96 percent by weight of calcium citrate
帮看看，总是找不到合适的表达

营养上可接受的钙源，其基本相当于大约1.3-1.96重量百分比的柠檬酸钙。
for reference only

营养学上可接受的钙源，其约相当于重量百分比为1.3-1.96的柠檬酸钙。

营养上可接纳的钙源,相当于重量百分比约为1.30~1.96的柠檬酸钙。

谢谢，通篇都是这个句子，

一种大体相当于约1.3-1.96重量百分比的柠檬酸钙的合适的营养钙源。