providing和provided可用于引导条件从句吗

conj. 如果；假如；在…的条件下；

v. 提供，供给（ provide的过去式和过去分词）；

Provided they are fit I see no reason why they shouldn't go on playing for another four or five years.

只要他们身体强健，我看不出他们有什么理由不继续再打四五年比赛。

Providing they do not panic, I believe that their chances of survival will be beyond 95 per cent.

如果他们不慌乱，我相信他们生还的概率将在95%以上。