Based on the wear curve of lands of erosion guns and a calculation method of engraving pressure, an interior ballistic model with the engraving process is established.

以烧蚀火炮的阳线磨损曲线和一种挤进压力计算方法为基础，建立了考虑弹带挤进过程的内弹道模型。

youdao

To avoid the pattern being distorted in the process of numerical control sculpting on a complex surface, a new method is put forward to generate the tool-path of engraving on the surface.

为了避免在复杂曲面的数控雕刻过程中出现图案的扭曲变形，本文提出了新的生成曲面数控雕刻刀具运动轨迹的方法。

youdao

The process principle of laser engraving technology in gravure was discussed.

主要对激光雕刻凹版制版技术的原理及其工艺进行了研究。

youdao

One of his colour pictures shows Naomi Savage, his one-time assistant who developed her own career as a photographer, and no doubt inspired by Man Ray, also invented a process called photographic engraving.

BBC: Man Ray's portraits go on show

Each is, appropriately, adorned with a four-claw dragon on the battery cover, and the engraving process is rather lengthy: it involves 20 stages and takes four highly-skilled master craftsmen 36 hours, eight of which are dedicated just to the dragon's scales.

ENGADGET: Vertu rings in the Year of the Dragon by welcoming a trio of Signature luxury phones

Although the process of transferring a musical composition from a gleam in the composer's eye into a handwritten manuscript and, finally, a performance-ready score has come a long way from the days of copper-plate engraving, it's a process rife with the possibility of transmittal error.

WSJ: Ravel| Mother Goose| New York Philharmonic| Arbie Orenstein