So keep in mind that all too often, hardware diagnostics are the only litmustests 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。
2
But the real litmustests for Mr Obama are still to come.
但对奥巴马的真正考验还未到来。
3
These will be key litmustests for investor sentiment towards Southern European debt.