这一问题解决的如何，直接关系到党的兴衰存亡。
How to solve the problem directly relates to the rise and fall of party.
只是在做了几百次实验之后，他们才把这一问题解决了。
Only after they had performed hundreds of experiments did they succeed in solving the problem.
只是在做了几百次实验之后，他们才把这一问题解决了。
Only after they had performed hundreds of experiments did they succeed in solving the problem.
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