By designing TDA7490 sine wave inverter power supply, we educed a method to design an inverter power supply with low distortion by using class-D on-off audio part.
通过对TDA7490的正弦逆变电源运用设计，尝试出一种利用D类开关音频器件设计低失真逆变电源的方法。
D. A. pressured companies to reduce salt in those products, the industry said that doing so would ruin the taste of the foods already low in sugar and fat.
当食品和药物管理局强制公司减少那些产品中的盐时，该行业说这么做会破坏已经是低脂低糖的食品的味道。
In 2007, the O. e. C. D. reports, about 17 percent of the French were over 65, a relatively low figure for Western Europe.
经合组织2007年的报告指出，在法国大约17%年龄超过65岁的人，相比其他西欧国家较低。
Many in the industry believe that low-cost 3-d printers for the consumer market will eventually appear.
业界很多人都认为低端3 - D打印机最终会出现在消费市场中。
We are mainly engaged in the r&d, manufacturing, marketing and service of new coatings which are green, environmental protection, low carbon energy saving.
主要从事绿色、环保、低碳节能等新型涂料的研发、制造、营销、服务。
Studies have shown that low levels of D may increase the risk of heart attacks in men and deaths from some cancers.
研究表明，维生素D水平低可能会增加男子心脏病发和因某些癌症死亡的危险。
Add some low-fat cheese to round out a side dish with immune-enhancing B vitamins and vitamin d.
烹饪的时候加点低脂奶酪，还能补充维生素b和维生素d。
After listening to complaints mother, my heart is very low: D When can I grow up?
听了妈的抱怨，我心情很低落：我的D何时才能长大？
Given the importance of vitamin D in musculoskeletal health, such low levels may negatively impact patient outcomes.
由于维生素d对骨骼肌肉的健康非常重要，这种低维生素d水平将会影响骨科手术病人的疗效。
Using the HS1100/HS1101 capacitive humidity cell and the A/D converter CC7107 etc, this article designed a low cost and digital-displayed humidity measurer.
采用湿敏元件HS1100/HS1101以及A/D转换器CC7107等常用元器件，设计了一款电路结构简单而且成本低廉的数字显示湿度测量仪。
Aim at the problem of detecting for distant small target with very low SNR, a method of two color IR small target fusion detection using D-S evidence theory is proposed.
针对远距离低信噪比条件下目标检测难的实际问题，提出采用D - S证据理论的双色红外小目标融合检测方法。
The seat vibration level is important for evaluation of the machinery quality in the research and development(R&D) of the low noise machine.
机脚振动级是评价机械设备振动特性的一项重要指标，是低噪声机械设备研制和验收的重要检测项目。
The threshold of S-D of ocular orbicularis is low in the normal group.
结果显示正常组眼轮匝肌阈值低，面瘫组眼轮匝肌除神经外程度重。
The influence of degree of disorder D and contrast of high and low refractive indices to the photonic bandgap are also calculated and discussed.
论文还计算和讨论了无序度和高低折射率之差值对光子晶体带隙的影响。
To be used in low pressure conditions fo r fitting of sanitary foodstuff industry, machines, civil engineering an d aquatic animals equipment.
应用于低工作压力之食品卫生行业及机械、土木工程、水族器材等行业的配套产品。
China's R&D spending as a share of GDP is still relatively low – around 1.4 per cent, well below global R&D spending of 1.9 per cent.
中国研发支出占GDP的比例只有约百分之一点四，仍然较低，低于全球研发支出百分之一点九的水平。
We develop a new D. C. ionization static eliminator which can overcome above - mentioned defect and are of the properties of low watt consumption, high efficiency and reliability.
作者研制了一种能克服上述缺陷，并具有低功耗、高效率、安全可靠等特性的直流离子静电消除器。
D: I am sorry that your blood test is abnormal. I am afraid it's not very good. Both your red blood cell and platelet counts are low. Your white cell count is high with immature blood cells.
非常抱歉，你的血液检查有问题，我觉得不是很好，你的红细胞和血小板计数都有些低，你的白细胞和未成熟的血细胞计数高，可能患有白血病。
Secondly, inadequate investment in R&D, low content in technology and poor market standardization result in such situation.
其次，研发不足，科技含量不高，市场标准化程度低；
Using the temperature sensor AD590 and humidity sensor HM1500, and the A/D converter CC7107 etc. A low power and low cost measurer of temperature and humidity was designed.
采用温度传感器AD590、湿度传感器HM1500、A/D转换器CC7107以及少量常用元器件，设计并制作了一款低功耗、低成本的数字显示温湿度两用测量仪。
Based on the adiabatic switching or energy recovery technique, some master-slave flip-flops including d, SR and JK flip-flops were presented as candidates for low power applications.
基于绝热开关或能量恢复技术，提出了应用于低功耗系统的主从型绝热D触发器、SR触发器和JK触发器设计。
The groundbreaking technical advances achieved through an intensive R & D programme have resulted in the development of a range of low complexity, hand-held diagnostic products.
突破性的技术进步取得了密集的研发计划已导致开发一系列低复杂，手持诊断产品。
The results show that the phase error of the vector measurement is zero, and amplitude errors can be eliminated, and high measurement accuracy can be obtained by using low bit D/A converter.
结果表明，相位测量的理论误差为零，幅度测量的理论误差可用修正系数消除，且使用较低位数的D A转换器，可得到高准确度的结果。
Without added 2, 4-d in the medium, explant callus induction rate is very low, and needed a very long time to induct.
在不添加2,4 - D的培养基中，外植体的愈伤组织诱导率很低，并且需要诱导很长的时间。
The purpose of the present study was to characterize the extent of low serum levels of vitamin D among orthopaedic surgery patients.
该研究的目的是描述骨科手术病人血清中低维生素D水平的程度。
The system allows operators to see a total picture and virtually patrol security areas, moving through the 3-D environment, indoors, outdoors, around corners, high, and low.
在3-D环境，室内，室外，角落周围，高低处，该监视系统允许操作人员观察到整个画面和几乎全部的监视安全区域。
The D. C. Metro was an ideal spot to use the Nikon's projector because of its low light and white concrete walls.
华盛顿的地铁是使用尼康内置投影仪的理想地点，因为这里灯光很暗，壁也是白色的。
The D. C. Metro was an ideal spot to use the Nikon's projector because of its low light and white concrete walls.
华盛顿的地铁是使用尼康内置投影仪的理想地点，因为这里灯光很暗，壁也是白色的。
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