Shape is an area enclosed by lines or curves .

平面图是一个由封闭的直线或曲线构成的区域。

The second tool is adjust colour curves .

第二个工具是调整颜色曲线。

The other thoroughly modern trend is for curves .

另一个绝对现代的潮流是曲线。

Do closed timelike curves necessarily lead to paradoxes ?

封闭的时间型曲线一定会导致矛盾吗？

Second , more recent curves are flatter .

第二，现在呈现的曲线走势是平坦的。