Problem 2B is asking you to find the point at which h equals 2200, x=0 partial h over partial x equals zero 0 and partial h over partial y is less than zero.

题2B要求找到一点，在这点处，h等于，且∂h/∂,以及∂h/∂y小于。

youdao

The basic conception and characteristic of X-H rolling method are introduced and X-H pass design technology is recommended.

介绍了X - H轧制法的基本概念及特点，推荐了X - H孔型设计的基本方法。

youdao

X This is H. We've got one "x" here.

这是H，我们得到了一个。

麻省理工公开课 - 固态化学导论课程节选

This is h nu. X-rays coming in.

这是hv，X光出现了。

麻省理工公开课 - 固态化学导论课程节选

With a 1920 x 1080 High-definition size, and H.264 movie compression, beautiful movies can be shot even longer.

ENGADGET: Olympus introduces Stylus SP-820UZ, SP-720UZ cameras and SZ-14 binocular bundle

Better known as "hide" (pronounced hee-day, and with a small h), Matsumoto played lead guitar with the now-defunct rock group X Japan - a five-member band that had a passionate following among teenagers, but which most adults had never even heard of.

CNN: ISOLATED IN THEIR GRIEF

The X-5 features a Full HD movie recording function employing the h.264 recording format.

ENGADGET: Pentax intros X-5 superzoom camera with 26x lens, tiltable LCD