There can only be one transition out of the initial state, and the operation specified for this transition should only be used this once.

初始状态传出的转换只能有一种，而且为此转换指定的操作只应使用这一次。

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A composite state can also have a default transition with no operation.

组合状态还可以具有不带操作的缺省转换。

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You can have more than one transition from a state associated with the same operation (or with no operation); however, in this case, each transition must have a guard.

您还可以具有多个来自一个与同一操作关联（或不与任何操作关联）的状态的转换；但在此情况下，每个转换必须具有一个监护。

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So far, the transition to Panamanian operation of the canal, which handles 13, 000 ships annually, representing 14% of all U.S. trade, is proceeding smoothly.

CNN: The Canal Cronies

Techniques developed to deal with interlinked, heterogenous data acquired by massive web companies will be our main tools as the rest of us transition to digital-native operation.

FORBES: Big Data is Creating A Digital Nervous System

As Alex Boraine, who served as deputy to Archbishop Desmond Tutu on the commission, reminds us, the offer of forgiveness which formed the centrepiece of the commission was the outcome of compromise between white minority rulers and the unenfranchised black majority: the price of securing a peaceful transition, and in particular the co-operation of the apartheid security services.

ECONOMIST: National reconciliation