ODBC applications do not require the explicit declaration and use of host variables.

ODBC应用程序不需要显式声明，也不需要使用宿主变量。

youdao

Scala can usually infer the return type of the method (but not the types of the method arguments), so we drop the explicit declaration.

Scala 通常可以推断出方法的返回值（但是方法参数的类型就不行了），所以我们不用显式声明。

youdao

While less invasive, the drawback of that approach is that it requires explicit declaration of 'init-method' and/or 'destroy-method' attributes on the 'bean' element.

尽管入侵性小，但缺点在于使用这个方式的话就必须显式声明bean元素的init-method或destroy-method属性。

youdao

This was made even more explicit in the Laeken Declaration.

BBC: Big changes ahead for EU

However, that explicit mention of managed services does not constitute a declaration of intent, according to Mr Walker.

BBC: Broadband companies offer clarity on connection slowing