We found that synthesizing accurate DNA in large pieces was extremely difficult.
大片段精确合成DNA是非常困难的。
One problem was that it is extremely difficult to recreate the effect in the laboratory.
有个问题就是想在实验室内再现地磁效果异常困难。
One problem was that it is extremely difficult to recreate the effect in the laboratory.
有个问题就是想在实验室内再现地磁效果异常困难。
应用推荐