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These SRMs are used for calibrating stylus instruments that measure surface roughness.

这些标准物质主要用于测量表面光洁度的探针式仪器的校准。

Rex Walheim and Stanley Love attached a package of sun-gazing instruments to the European Columbus lab as well as a huge box containing eight experiments to detect micrometeorite strikes and measure space radiation, among other things.

雷克斯同史丹利安装了一个阳光聚焦仪器到哥伦布实验舱上，哥伦布实验舱有8种仪器用来检测小陨石碰撞和测量太空辐射。

B Certificate of China mandatory certification for the medical instruments within the Catalogue of Products Subject to the Mandatory Product Certification system

属於《实施强制性产品认证的产品目录》内的医疗器械，应当提供中国强制性认证证书

B Certificate of China mandatory certification for the medical instruments within the Catalogue of Products Subject to the Mandatory Product Certification system

属于《实施强制性产品认证的产品目录》内的医疗器械，应当提供中国强制性认证证书

This exhibition displays 50 of the best instruments which are chosen from the collection of the National Museum from Musical Clock to Street Organ in Utrecht, the Netherlands and which are national treasures of the country.

这个展览中的50件机械自动乐器精选自荷兰乌得勒支市国家自动乐器博物馆的藏品，它们是荷兰国宝级的珍贵文物。

That concludes these instruments with different baseline and different working principle, can observe comparable earth strain in the solid tidal band.

证明这两种基线长度和安装方式不同的仪器，观测到的地层应变在固体潮频段具有可比性。

Group 1 was instrumented with SS-K files by step-back technique, group 2 was instrumented with manual Protaper instruments according to manufacturers' directions.

第一组使用不锈钢K锉采用逐步后退法预备近颊根管，第二组使用手用Protaper采用厂家推荐的方法预备近颊根管，第三组使用机用K3采用逐步深入法预备近颊根管。

Methods 96teeth with pulpitis or periapical periodontitis were instrumented by handling ProTaper rotary instruments using step-down technique,and by K files using step-back technique for control.All teeth were obturated with lateral condensation methods.The efficiency of preparation was analyzed with ra-diographs before and after operation.

选取患有牙髓炎和根尖周炎的后牙96例，随机分成试验组和对照组各48例，试验组用手用ProTaper多锥度镍钛旋转器械逐步伸入法预备根管，对照组用K锉，逐步后退法预备根管，两组均用侧向加压充填法充填根管，根据治疗前后的X线片，评价后牙根管预备效果。

Inside, this version has a particularly sporty outfit underlined by instruments with red scale background and white lighting, leather upholstery with red stitching on the steering wheel, gear lever and hand brake gaiters, grey anthracite trims on the steering wheel and central console, special 'Q2' heel-high strips and aluminium pedals.

内，这个版本有一个特别运动装备规模，与红色和白色的背景灯光，皮革的方向盘，换档杆和手制动绑腿红色缝线装饰，在方向盘灰无烟煤装饰文书强调方向盘和中央控制台，特殊的'第二季度的弱点，高带和铝踏板。

The companies always give top priority to product quality, with advanced production technology and the strength of scientific and technological strength, scientific and advanced detection instruments, strict and meticulous management system, based on the market, with stable quality, full color varieties, reasonable prices, courteous service , Prompt delivery, to win business reputation.

本企业始终把产品质量放在首位，以先进的生产工艺、实力雄厚的科技力量，科学先进的检测手段，严谨细致的管理制度，立足市场，以质量稳定、花色品种齐全，价格合理，服务周到，交货及时，赢得企业信誉。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。