That meant participants were randomized into experimental or control groups, and that both participants and experimenters were blind to which experimental condition they were in.

味着参加者被随机分为实验组或对照组，参加者和实验者都对他们所处的实验条件一无所知。

As such, we can study cells grown in special dishesthat allow us to test hundreds of experimental conditions at a time.

因此，我们可以研究在养皿中生长的细胞，使我们能够一次测试数百个实验条件。