史前人用打火石刀。
但这会儿她似乎没使魔杖，她是用石刀在打仗。
But she did not seem to be using it now. She was fighting with her stone knife.
约书亚就制造了火石刀，在除皮山那里给以色列人行割礼。
So Joshua made flint knives and circumcised the Israelites at Gibeath Haaraloth.
野人也许用石刀刮，有人甚至提议他们可以用火来修理头发。
Cavemen probably shaved with stone knives, and there's some suggestion that they may even have trimmed their hair with fire.
研磨效率一直是影响单晶金刚石刀具加工的一个重要问题。
So reconstructing the machine has very practical value. Grinding efficiency is a important problem in machining diamond cutters.
在红山文化的农业生产工具中，数量最多的是石刀和石耜。
"Hongshan culture" of the agricultural means of production, is the largest number of Shidao and Shek Si.
他是罪恶和悲惨厄运之神并且为黑曜石刀增添了一个崇拜物。
He was the god of sin and misery and had a fetish for the obsidian knife.
可作为铸模、金属涂镀、舟皿及金刚石刀具、钻头的烧结模具等。
It is often used as the mold, metal plating. utensil, as well sa the mold to sinter diamond tools and aiguilles.
超精密金刚石刀具的两个基本精度要求是刀刃轮廓精度和刃口半径。
The two basic precision requirements for ultra precision diamond cutting tool are the precision of outline and edge radius.
每一个具体的形象有经验者强调高质量的工具和金刚石刀片的重要性。
Every experienced creator of concrete images emphasizes the importance of quality tools and diamond blades.
提高转速使金刚石刀片切割难度，降低主轴转速使刀片切割速度更快。
Increasing spindle speed makes the diamond blade cut harder, decreasing the spindle speed makes the blade cut faster.
隶属的部分，叶片必须大于核心否则核心将穿叶片很快使钻石刀无用。
The segments that are attached to the blade must be wider than the core, otherwise the blade core will wear quickly and render the diamond blade useless.
石刀是常见的生产工具之一，能够一定程度反映古代人类的社会生产活动。
The stone knife is one of familiar implements of productions, can the certain degree reflect the ancient mankind's social production.
对于采用聚晶金刚石刀具加工硅铝合金时产生积屑瘤的一些规律进行了研究。
A study on the trends of silver white chip formation when cutting the silicon-aluminium alloy parts with a polymerized crystal diamond cutter is carried out.
尼罗河谷地的新石器时代文化遗址中发现了大量石刀、石簇、石斧、石镰等等。
A lot of stone knives, clusters, axes, sickles have been unearthed in the cultural relics of Neolithic age in the Nile River valley.
男性墓穴中经常发现的随葬品——比如武器、石战斧和燧石刀，在座墓里都没发现。
None of the objects that usually accompany male burials a such as weapons, stone battle axes and flint knives a were found in the grave.
另外，男性的陪葬品有武器、石锤、火石刀,食物用水等，以伴之通往另一个世界；
In addition, men tended to be interred with weapons, hammers and flint knives as well as several portions of food and drink to accompany them to the other side.
研磨机床的振动是影响金刚石刀具机械研磨质量的重要因素，尤其在精密研磨工序。
Vibration of lapping machine is an important influencing factor on the lapping quality of diamond cutting tools in mechanical lapping, especially in the precision lapping process.
叶片可能断裂，但整体快速最初生命是短暂的，因为太易碎或钻石刀受到过度冲击。
The blade may cut fast initially but overall life is short because the diamonds are too friable or the blade has been subjected to excessive pounding.
最后通过大量试验对单层高温钎焊金刚石刀具参数和加工工艺参数进行了优化设计。
Finally, a great many of machining experimentations are done to optimize machining technology parameter and tool parameter.
您的金刚石刀片分销商提供了从制造商的信息财富，可以帮助更多的刀片的选择技巧。
Your diamond blade distributor is provided with a wealth of information from the manufacturer and can help with additional blade selection tips.
给出了金刚石刀具钝圆半径与精密玻璃光栅和超精密抛光陶瓷的轮廓形貌的测量结果。
The paper shows the measuring results of blunt radius of diamond tool, precision glass grating and profile and topography of ultra-precision polished ceramics.
用金刚石刀超薄切片法制备的薄膜样品电子透明度高，平行度好，而且具有清洁的表面。
Microtomy with a diamond Knife permits to prepare thin foils Samples with high transparency of electron, good parallelism and have a clean Surface.
男性死者的随葬品有武器、锤子和燧石刀，还有一些食品和饮料，陪伴他们走向另一个世界。
The men would be buried alongside weapons, hammers and flint knives as well as several portions of food and drink to accompany them to the other side.
在两个女孩子看来，那刀给火把光一照，似乎不是钢刀而是石刀，而且形状又古怪又可恶。
It looked to the children, when the gleam of the torchlight fell on it, as if the knife were made of stone, not of steel, and it was of a strange and evil shape.
他又用麋鹿的皮蒙在土缶上作成鼓敲打起来，还重击轻打石刀石斧，模仿天帝玉磬的声音。
He put deer skin on the fou (an earthen pot with a big body and a small mouth) to make a drum, and imitated the God's jade qing by beating stone knives and axes heavily or lightly.
为减轻金刚石刀具的磨损，提高工件表面加工质量，采用超声振动的方法切削不锈钢零件。
Ultrasonic vibration is applied to diamond turning of stainless steel in order to decrease diamond tool wear and improve the surface quality of the workpieces.
她说，额头上、下巴上、手上有深深地伤痕，这意味着肯定也使用了第三种装了石刀的武器。
Deep cuts to foreheads, jaws and hands, she said, meant that a third type of weapon, with embedded stone blades must have been used.
本文介绍了单晶金刚石刀具研磨方向的选择，同时简单的介绍了单晶金刚石刀具的研磨方法。
In this paper selection of grinding direction of diamond is studied, and the grinding method of single crystal diamond cutters is introduced.
本文介绍了单晶金刚石刀具研磨方向的选择，同时简单的介绍了单晶金刚石刀具的研磨方法。
In this paper selection of grinding direction of diamond is studied, and the grinding method of single crystal diamond cutters is introduced.
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