To prove that factor a has no effect whatever on outcome b may be important in the sense that it refutes a hypothesis.

证明因素 a 对结果 b 没有任何影响可能是重要的，因为它驳斥了一个假设。

youdao

The rhesus factor protein is the next most important one after the a and B proteins.

该恒河猴因子蛋白是未来最重要的一后，A和B的蛋白质。

youdao

Sal B; Endothelial progenitor cell; cell factor; Antioxidant enzymes.

丹酚酸b；内皮祖细胞；细胞因子；抗氧化酶。

youdao

Without intrinsic factor, vitamin B-12 can't be absorbed and leaves your body as waste.

CNN: Vitamin deficiency anemia

Vitamin B-12 deficiency anemia caused by a lack of intrinsic factor is called pernicious anemia.

CNN: Vitamin deficiency anemia

The protein is a growth factor that leads to the production of certain immune cells, called B-cells.

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