The probe choices for ultrasonic crack detection of welding line of light sheet are discussed from two aspects of theory and practice.
从理论和实践两方面探讨了薄板焊缝超声波探伤探头的选择方法。
It is assumed that the information of the particle image photographed by double-exposure with a light sheet is processed by correlation method.
速度场是通过对一个片光源上两次曝光的图像进行互相关处理来得到的。
The blood flow particle field is illuminated by a laser light sheet and optical parameters of the experimental system are selected to obtain the optimal flow field pictures.
用激光片光源照亮血流粒子场，再计算确定实验系统光学参数，以获得最佳流场图片。
They successfully constructed a prototype of a bag made from a number of stainless steel plates, stuck on to a light, flexible plastic sheet.
他们成功的制造了利用轻质可伸缩塑料片连接的不锈钢袋子原型。
Instead, the user relies on reflected light, as he would if he were reading a sheet of printed paper.
相反的是，用户依赖于反射光，就像他正在读一张正常打印出来的文章一样。
The instrument's nervous system comprises 86 strands of light detectors, stretching down into the ice sheet like oversize strings of pearls.
站中那个由86根光探测器组成的神经系统像一串巨大的珍珠项链深入冰层。
Gold can be pounded into a sheet so thin that light passes through it, yet the sheet doesn't crack.
它可以被压成薄薄的一片，薄到透光却不会断裂。
Sheet lightning lights up the whole sky. It has no special shape. Sheet lightning is actually the light from a chain lightning flash that occurs very far away.
片状闪电照亮整个天空。它没有什么特殊的形状。片状闪电实际上是发生在很远的地方的链状闪电的光。
Flat sheet of white plastic which emits even light over the surface when lighted by a CFL tube on one or two edges.
发出即使的白色塑胶的褥单越过什么时候以一cfl点燃的表面轻管关于一或者两边缘。
Light metalworking machine operators operate metalworking machines which shape and form sheet or other light metal into parts or products.
轻金属加工经营者经营用于塑造和形成表或其他轻金属零件或产品的金属加工机械。
A shiny silver ball reflects the light in a different way than a sheet of paper does. M3G models these material characteristics with the following attributes.
一个闪闪发光的银色球反射光线的方式与一张纸显然不同。
Light weight paper coated on one side with transferable colouring agent for producing copies by impression on to an underlying sheet.
轻身的纸张，其中一央涂上可以转移的色剂，在压力下，它的色素转传下面的纸上，造成副本。
Black specks in film or sheet-especially in light-colored or clear plastics-lead to scrap, unscheduled shutdowns, and dissatisfied customers.
薄膜或者片材上的黑点，特别是浅色或透明塑料，会导致废料、不必要的停机以及客户不满。
The spectroscope consists of diaphragm and light filter sheet.
其特征在于分光系统由一个光栏和滤光片组成。
Carbon fiber is a new type building material which is widely used for its light quality, well corrosion proof, sheet material and high tensile strength.
碳纤维是一种新型建材，因其质轻、耐腐蚀、片材很薄、抗拉强度高而被广泛应用。
The sheet metal parts have been widely used in the automobile, aerospace and electronics industries owing to their light weight, great interchangeability, good surface finish and low cost.
板金件由于轻质、互换性好、表面光洁度高、成本低而被广泛应用于航空航天、汽车、电子等领域。
The airer of the utility model has a monomer bending structure connected with the shell by the locking connection parts, has simple structure, light weight, which is suit for a sheet heater.
本实用新型上的烘衣架为单体弯折结构，通过卡接部卡接在所述壳体上，结构简单，重量较轻，适用于薄板式取暖器。
Sheet will be special mask or pressure in the picture, in order to form a light matt, oil painting, virtual, stereo and other special artistic effect.
将特殊的面膜或板材压覆在图片上，以形成具有亮光、亚光、油画、虚拟，立体等特殊艺术效果的画面。
Don't hold an umbrella, slow, walk in the light rain, don't expect to encounter as a clove and sorrow with girl, sheet is a melancholy is also a kind of mood.
不持伞，慢行，走在小雨中，不奢望邂逅一个丁香一样地结着愁怨的姑娘，单是那份惆怅也是一种心情。
This might include using a lamp shade, or hanging a white sheet or curtain over an open window that receives direct light.
这也许包括使用一个灯罩，或挂一条白色床单在一扇打开的车窗或窗帘接收直射光。
The structural element consists of a construction formwork mesh sheet (1) and light steel keels (2) and (3) which are connected by self-tapping screws or rivets.
结构体由建筑模网网片（1）及轻钢龙骨（2）和（3）构成，以自攻钉或铆钉连接。
It can be used on paper, foil, cardboard, cloth, leather, glass, mylar, acetate sheet, foam rubber, urethane foam, styrofoam and light metal sections.
它可用于纸张，铝箔，纸板，布料，皮革，玻璃，聚酯，醋酸板，泡沫橡胶，聚氨酯泡沫，发泡胶及轻金属部件上。
Through structural optimization, the strength and rigidity of sheet metal parts can be improved in the case of light weight.
通过对这种零件结构的优化设计，可以在轻量化的基础上实现较高的强度和刚度。
The invention provides a light diffusion sheet excellent in dimensional stability, light resistance, light diffusion characteristics, thermal stability, brilliance, and recyclability.
本发明提供尺寸稳定性、耐光性、光扩散性、热稳定性、辉度和资源再利用性优异的光扩散片。
It is to project a laser sheet onto the tested surface, and form a light line on the surface.
它的基本思想是通过投射激光线光束到被测物体表面，在物体表面形成一条投影亮线。
The building was plated with silver galvanized steel sheet and the court-yard covered with white gravel to make the light reflections brighter for rooms.
建筑外面包裹银色镀锌钢板，院落覆盖白色砾石，从而使光线更强地反射到室内。
Polycarbonate multi-wall sheet (PC sheet) is widely used as greenhouse glazing material because its light weight, high insulation, strong resistance of impact and long service life.
聚碳酸酯中空板质量轻、保温好、抗冲击、寿命长，在温室中得到了广泛的应用。
Polycarbonate multi-wall sheet (PC sheet) is widely used as greenhouse glazing material because its light weight, high insulation, strong resistance of impact and long service life.
聚碳酸酯中空板质量轻、保温好、抗冲击、寿命长，在温室中得到了广泛的应用。
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