形刻槽爆破是指在炮孔孔壁上按爆破开裂方向，切出一定深度的轴向对称V形槽，采用不耦合装药结构进行的一种断裂控制爆破。
V-shaped notch blasting is that cutting slots with certain depth along axis -direction of the hole is determined according to the blast-crazing, and then load uncoupled charge and detonation.
实验结果表明该算法能准确识别出对准刻线，定位精度可达微米量级，具有一定的实用价值。
The experiment result showed that this method can accurately identify the aligned lines, the positioning accuracy can reach micron grade, and has a certain practical value.
学英语不一定让我们时时刻刻处在自己的“舒适区”，因为学习本身需要努力和毅力。
Learning English doesn't always put everyone in their comfort zone, for study in and of itself somewhat takes effort and perseverance.
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