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One blade masks the pulldown while the other blade causes an additional light interruption increasing the flicker frequency to 48 cycles per second - a level that is not objectionable to the viewer at the recommended screen brightness of 16 footlamberts (55 candelas per square meter).

一旦一翼遮住光源，另一翼多产生一次光源中断，使光闪烁频率增加到每秒48次。在银幕亮度为16footlamberts(55烛光/平方米)时，观察者觉察不到光闪烁。

Nanjing Green State machine factory Decanter centrifuge design engineer Yan Chun Min, qualitative analysis of the sediment conditions Decanter centrifuge drum cone angle with a knife, screw conveyor blade angle B, blade pitch, liquid pool radius and the difference between speed An elaborated to improve the conditions of slag lose Decanters design ideas.

南京绿州机器厂卧螺离心机设计所高级工程师颜春敏，定性地分析了卧螺离心机的沉渣条件与其转鼓的锥角刀、螺旋输送器叶片的倾角B、叶片的螺距、液池半径及差转速An之间的关系，阐述了改善卧螺离心机输渣条件的设计思想。

Culm sheath blade marginally undulate, denticulate, setose; branches deflexed; leaf blade 8–15 × 1–2.3 cm, abaxially glabrous.

竿箨叶片稍微地波动，具小齿，具刚毛；分枝外折；叶片 8-15 * 1-2.3 厘米，背面无毛。 10 I。 lipoensis 荔波大节竹

Rapid expansion of foreign giants on China's fan blade market will change the pattern of China's wind generator fan blade market.

外资巨头在中国市场的加速拓展，或将改变国内风机叶片市场格局。

Competition on China's fan blade market in the future will pose such demand as large scale, low cost, and technical advantages for fan blade producers.

未来的中国的风机叶片行业竞争，要求厂商规模大、成本低、在技术上具有一定优势。

As fan blade is a core part of wind power generator, accounting for a big share of the cost of the complete equipment, to effectively control the manufacturing cost of fan blade will be one of the important ways to cut the total cost of wind power generators.

由於叶片是风力发电机组的关键核心部件，叶片占整机成本的份额较高，因此，有效控制风机叶片的制造成本是降低风力发电机组总造价的重要途径之一。

The efficiency of prismatic blade equipped on the traditional machine is only 62%, but the efficiency of the energy saving induced draft fan whose impeller and blade are both stamping is 85%.

传统磨粉机上配用的直叶片老式风机的效率仅为62%，而叶轮与叶片均为模具冲压成型的节能引风机的效率为85%。

A three-blade computational model is set up for the fan rotor blade having shrouds.

针对风扇叶片具有阻尼凸台的特点，分析中建立了三叶片组计算模型。

The tools folded inside the pocket knife include a small knife blade, scissors, a nail file, a nail cleaner, a cuticle pusher, tweezers, a cap lifter with a magnetic Phillips head screwdriver, a scraper, a ball point pen, an emergency blade, and a screwdriver with ruler.

Fred Brack 这些工具内的折叠小刀包括一个小刀片，剪刀，指甲锉，指甲乾净，一推角质层，镊子，一开瓶器用磁性十字螺丝刀，一刮，一支圆珠笔，紧急刀片和一个螺丝刀与统治者。-弗雷德布拉克

Culm sheaths glabrous or only hairy below blade, apex asymmetrically triangular; ligule 1–2 mm; foliage leaf blade abaxially sparsely villous or subglabrous

在叶片下面无毛或者只有毛的竿箨，顶不对称的三角形；叶舌1-2毫米；叶叶片背面疏生长柔毛或近无毛 28

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。