英语语法分析

Organ culture model of intervertebral discs could preserve organ integrity and cell viability at least 4 weeks under iso-osmotic or hyperosmotic loading.

在等渗或高渗负荷下，椎间盘的器官培养模型可以保持器官完整性和细胞活力至少4周。

One of them is osmotic pressure.

其中之一是渗透压。

So what's the osmotic pressure of the solution.

那么溶液的渗透压是多少。