overall contrast ratio 总对比系数
Add a layer mask to this layer as shown below, this will create a better lighting contrast for the hand and make this overall image look better.
按照下面的样子，添加一个图层蒙版，这样可以给整个画面增加整体光的对比度，画面看起来会更好一些。
That is a contrast not just with Chile's centralised system but also with Brazil, which like Argentina is a federal country, but where the health ministry in Brasilia sets overall national goals.
这不仅与智利的中央管制系统形成对比，也不同于同阿根廷同属联邦国家的巴西，巴西利亚的卫生部设立了全国性目标。
The fastest-growing sales, by contrast, were in the category covering Italian mozzarella and Greek feta, which jumped by 10% (although overall volumes remain small).
相比之下，销售速度最快的是像意大利干酪和希腊羊乳酪等产品，其销售量上升了10%。
应用推荐