查询词典 D

Based on the A / D converter the basic principles and characteristics of the broadband A / D converter technology and A / D converter, the choice of a number of exploration and study.

本文基于A/D转换的基本原理和特性，对宽带A/D转换技术和A/D转换器的选择进行一些探讨和研究。

Because of harsh environment that strapdown inertial guidanc e system works in, the conventional accelerator data acquisition systems such as I/F converter and A/D acq uisition have limitations in testing. Therefore, a new method which combing I/F and A/D based on PC104 bus was pro posed, and an ADAS module with the advantages of I/F and A/D schemes was designed.

加速度计是捷联惯导系统的核心部件，由于捷联惯导系统恶劣的工作环境，通常以I/F转换或A/D 采样方案设计的加速度计数据采集系统在测试中均有局限性，因此基于PC104总线提出I /F和A/D相结合的方法，设计了高精度加速度计数据采集系统，该系统同时具有I/F和A/D方案的优点。

The admissible input of 2-D linear discrete singular general model is discussed more deeply, some very effective new criteria for the 2-D singular general model to accept all the input sequence have been developed, and a new algorithm that determines the admissible input sequence of the 2-D singular systems has been proposed.

在线性广义2-D系统可解性方面，首先研究了线性广义2-D连续—离散系统的可解性问题，给出了可解的条件，并给出了等价的判别条件；其次深入研究了线性广义2-D离散系统的允许输入序列问题，给出了系统接受所在区域上的所有输入的新的非常有效的判别方法以及确定系统允许输入序列的新的方法。

Let K be the 3 cyclotomic field, Esubscript D(superscript λ: y^2=x^3-2^4 3^3 D(superscript λ) be an elliptic curve defined over K, where D∈K is a square-free algebraic integer and λ∈Z.

设K为三次分圆域，E下标 D(上标λ：y^2=x^3-2^4 3^3 D为定义在K上的椭圆曲线，其中D为K中无平方因子的代数整数，λ∈Z。

The liquid crystal display has a chiral ferroelectric smectic liquid crystal between two transparent plates with electrodes for generating an electric field, and polarisers in front of and behind the liquid crystal, the ratio d/p of the thickness d of the liquid crystal layer to the pitch p of the helical twisting being larger than 5, the smectic tilt angle theta 0 being between 22.5 DEG and 50 DEG , and the product d.

一种液晶显示单元，它具有：一种在两块透明平板之间的手性铁电近晶液晶；用于产生电场的电极；在液晶前后各有一偏振片，液晶层的厚度d与螺距扭曲的螺距高度p的比值d／p大于5，近晶倾角θ 0 为22.5～50°，厚度d、倾角θ 0 的平方、双折射率△n和光波长λ倒数的乘积dθ 2 0 △n1/λ大于0.45μm。

The results showed that the metabolizable energy for maintenanceand erude protein for maintenace of the clucks on the average were 925.82KJ/W0.75/d,10.200.7g/W0.75/d in 1st to 21th day of age and 884.52KJ/W0.75d.8.23g/W0.75/d in 22th to 49th day of age,respectively.

结果表明，樱桃谷肉鸭的平均维持代谢能和维持粗蛋白的需要量是：1～21日龄MEm=925.8 KJ/W~(0.75)/d，CPm=10.2g/W~(0.75)/d：21～49日龄MEm=884.5 KJ/W~(0.75)/d，CPm=8.2g/W~(0.75)/d。

The number of abnormal structure of thyroid gland of B group was significantly higher than that of A and D groups(P .05).The abnormal number by blood biochemistry detection of A, B, C group was significantly higher than that of D group(P.05). Conclusions : The thyroid gland volume and blood biochemistry abnormal number of patients of type 2 diabetes was obvious increase than normal control group.

结果：A组、B组、C组甲状腺体积较D组明显增加(P.05)，B组甲状腺体积较A组、C组明显增加(P.05)；B组甲状腺肿大例数较A组、C组、D组明显增多(P.05)；C组甲状腺结构异常例数较A组、B组、D组明显增多(P.05)，B组甲状腺结构异常例数较A组、D组明显增多(P.05)；A组、B组、C组的血液生化指标异常数较D组明显增多(P.05)。

The control group were injected peritoneal physiological saline injection.Three study groups were injected acrylamide solution 5 mg.kg-1.d-1,30 mg.kg-1.d-1,and 60 mg.kg-1.d-1,respectively.On the 5th day,brains of each group were taken out quickly,fixed by Zamboni fixation solution,made into conventional freezing moviemaking,stained by immunohistochemistry staining,and then observed by light microscope.

对照组小鼠腹腔注射生理盐水；实验组小鼠分别代以5 mg·kg-1·d-1、30 mg·kg-1·d-1、60 mg·kg-1·d-1丙烯酰胺水溶液腹腔注射。5 d时分别处死各组小鼠，取出大脑，Zamboni固定液固定，常规冰冻制片，免疫组织化学染色，光镜观察。

Trivia: Kidd's farewell speech: My name was Captain Kidd, when I sail'd, when I sail'd, And so wickedly I did, God's laws I did forbid, When I sail'd, when I sail'd.

花絮：基德的告别演说：我的名字是基德船长，当我sail'd ，当我sail'd ，所以我没有坏透，上帝的法律我没有禁止，当我sail'd ，当我

We reviewed the average requirement and the recommended intake of vitamin D in children, adults, elderly and pregnant and parturient women, and encouraged to increase the recommended intake of vitamin D; We also reviewed the risk of high-dose vitamin D intake and suggested to raise the maximum tolerable intake made by American CRN. Finally, we propose that Chinese Nutrition Society will consider to increase the UL of vitamin D from 20 μg to 50 μg.

本文综述儿童、成年人、老年人和孕产妇的平均需要量和推荐摄入量，鼓励增加维生素D的推荐摄入量；综述美国营养责任委员会对高剂量维生素D摄入风险的再评估，提高可耐受最高摄入量；最后建议能否考虑将中国维生素D的UL由20μg提高到50μg。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失