To measure resolution, consider a line pair -> i.e. the wall is a line but to differentiate it, there must be a contrasting equal width along side.

我们可以把长城看作是一对线耦来测得分辨率，比如说把长城当作一条线来分辨，那么这条线两边都要以长城同等的宽度来分辨。

youdao

For line art, it is indeed appropriate to scan to match the dpi resolution of your printer (I said line art, I intentionally excluded Colour and Grayscale).

线艺术这是很适当的扫描，以配合分辨率印表(我说艺术系，我故意把颜色和灰度)。

youdao

And they came in line with UN Security Council Resolution 1874, which further commits them to end the military relationship with North Korea.

WHITEHOUSE: The White House

Gamers who have endured lag filled game-play with unimpressive low-resolution visuals finally can break free thanks to Digital Storm's Marauder gaming line, the first gaming PCs built around Corsair's Vengeance C70 chassis.

ENGADGET: Digital Storm launches Marauder series of desktop PCs for gamers on a budget