The viewport metatag also supports minimum scale and maximum scale, which can be used to constrain just how much control a user has over the rendering of the page.

viewport metatag 还支持最小和最大伸缩，可用来限制用户对呈现页面的控制力。

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If customers are becoming more sensitive to value for money and pricing, too, the overall effect is to raise the minimum scale for a school needed simply to break even.

如果顾客对于学费的价值也更加敏感，那么整体的影响就是学校必须提高损益平衡的最小经济规模。

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Instead banks will probably face a sliding scale, with minimum capital ratios rising as they get bigger or embrace more risk.

ECONOMIST: Wall Street's new shape

These include one measure to delay the age of retirement on full pension for women, another to abolish the state minimum pension and replace it with a sliding scale, and a third to reform health schemes run by trade unions.

ECONOMIST: Argentina��s distant allies and the fiscal gap

In light of this, the IALSS revealed that, overall, 48% of Canadians aged 16 years and above performed at levels I and 2 on the prose literacy scale whereas experts view level 3 as the minimum literacy skill level necessary for everyday social functionality.

UNESCO: Family Literacy Programmes, Training, and Services