type-declaration meaning in English

类型安全
类型宣告

Type - declaration character
类型宣告字符
Greg ewing has created a language called pyrex , which melds python and c . in particular , to use pyrex , you write functions in a python - like language that adds type - declarations to selected variables
特别地，要使用pyrex ，需要用类似python的语言编写函数，这种语言将类型声明添加到所选变量中。
The fact that java , unlike python , has type - declarations is actually less significant than many people assume but prior work in optimization of self , smalltalk , lisp , and scheme make this point also
Java不像python ，它有类型声明，但这一事实实际上没有许多人所设想的那样重要（但是先前在self 、 smalltalk 、 lisp和scheme的优化方面所做的工作也说明了这一点）。