Model CR118 has a Fraction to Decimal Conversion Chart and Trigonometric Ratio Equations etched on the front side.
CR118模型的正面刻有一个分数到十进制的转换图和三角比公式。
The flame front structures of the methane/air premixed flames are observed by using OH- PLIF method in the different conditions of equivalence ratio and inlet turbulence intensity.
运用OH-PLIF方法探测了不同燃料系数和出口湍流度下甲烷/空气的锥形预混火焰的火焰前锋结构。
The difference between the front and back bulge edges results in pressure drag which increases with increasing bulge density and height, and with decreasing duty ratio.
结果显示，由于矩形形貌的影响，形成了压差阻力，压差阻力随形貌突起高度或密度的增加而增大，随突起占空比的增加而减小。
The lowering of mining dilution ratio and loss ratio is one of major difficulties in front of mining researchers.
采矿贫化率与损失率的降低是采矿工作者重点研究和攻克的难点之一。
According to vehicle driving conditions active front steering can achieve the desired steering ratio, which meets the flexibility at low speed and stability at high speed.
主动前轮转向可以根据汽车行驶状态实现理想转向传动比，能同时满足低速时的灵活性与高速时的稳定性要求。
The results indicate that the main factor influencing the capacity matching of the conveyors in front and behind is the ratio of mining height to caving height.
指出了影响综放工作面前后部刮板输送机能力匹配的主要因素是采放高度比；
In wind tunnel test, the base bleed ratio of higher accuracy is obtained by measuring and controlling the total pressure of the bleed medium in front of flowmeter.
在风洞中模拟底排实验，通过测量和控制流量计前介质总压，获得了较高准确度的底部排气率。
High gain and excellent front-o-back ratio so that UHF can be received consistently.
高增益和较大的前后比使UHF信号被极好地接收。
The experimental results of low-order modes correction for wave-front error and the enhancement of Strehl ratio in detector and the improvement of wave-front tilt are also established.
通过低阶校正模式波前误差提高了探测器接收光强，并有效校正了波前倾斜。
The test verifies that the sensor system being optimized is able to output front end inductive signal with high signal to noise ratio.
经试验验证，优化后的传感器系统能够输出高信噪比的前端感应信号。
The test verifies that the sensor system being optimized is able to output front end inductive signal with high signal to noise ratio.
经试验验证，优化后的传感器系统能够输出高信噪比的前端感应信号。
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