He said: "These figures show a real difference between carrier bag use in Wales and that in other parts of the UK where no mandatory charge is planned."
他说：“这些数字表明，在塑料袋使用数量上，威尔士与英国其他没有实行强制收费地区有着显著差别。”
In addition, a screen or control can define local state (using variables) and use control structures to iterate over collections and conditionally show parts of the user interface.
此外，屏幕或者控件也能够定义本地状态(使用变量)，并使用控件结构来对集合进行迭代，从而根据条件显示用户界面的各个部分。
The tests in use show that this kind of iron powder has good compressibility and formability, and is suitable for manufacturing parts with high density and complicated form.
应用试验表明，所制得的铁粉具有良好的压缩性和成型性，适合于制作高密度和形状复杂的零件。
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