研究声称，这一技术被证明很难使，因为膜结合蛋白很难结晶。

But this method proved difficult because membrane proteins are tricky to coax into the crystal form required for the X-ray technique, the study says.

youdao

研究声称，这一技术被证明很难使，因为膜结合蛋白很难结晶。

But this method proved difficult because membrane proteins are tricky to coax into the crystal form required for the X-ray technique, the study says.

youdao