Tetanus toxin can also be found in the serum using a bioassay.

生物定法可在血清中现破伤风毒素。

And then we used these substances to create bioassays that enabled us to discover the first substances that stopped cancer blood vessels and to help stop cancer.

然后们用这些物质来创建生物检，们能够现第一肿瘤血管的物质，进而帮助肿瘤生长。

But, throughout the 20th century, other methods were explored: the AZ Pregnancy Reaction Test popped up in 1928 and was the first of several " bioassays" or animal-based tests.

但是，整个20世纪，人们都在探索其他的方法：AZ妊娠反应试出现于1928年，是多“生物鉴定”或基于动物进行的试中的第一。

Today's tests still work by measuring HCG. But, throughout the 20th century, other methods were explored; the AZ Pregnancy Reaction Test popped up in 1928 and was the first of several " bioassays" or animal-based tests.

今天的试仍然通过量 HCG 起作用。 但是，在整个 20 世纪，人们探索了其他方法；AZ 妊娠反应试于 1928 年出现， 是多项“生物定” 或基于动物的试中的第一项。