Full moons like this are litmus tests for the future.

这种满月是未来的试金石。

But the real litmus tests for Mr Obama are still to come.

但对奥巴马的真正考验还未到来。

These will be key litmus tests for investor sentiment towards Southern European debt.

这些都将考验投资者对南欧债务的信心。

So keep in mind that all too often, hardware diagnostics are the only litmus tests when determining cluster worthiness, but hardware diagnostics may paint an incomplete picture.

所以要记住，在判断集群的性能时硬件诊断常常是惟一的测试方法，但是硬件诊断提供的信息可能不完整。