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Digital IF mainly include: Digital Up Convert、Digital Down Convert.A/D、D/A and Number control oscillator.

数字中频处理主要包括数字上变频、数字下变频、A/D与D/A的处理以及数控振荡器等。

In accordance with the Administrative Measures on Information Disclosure of the Listed Stockholders and relevant operational rules of the stock exchanges, when a qualified investor calculate the changed shares, it should calculate in a consolidated way the shares, the convertible debenture evidential documents of deposition and trust of a same company held or controlled by it.

合格投资者应当按照《上市公司股东信息披露管理办法》及交易所的有关业务规则的规定披露其持股变动信息，在计算其持股变动时，应当合并计算其持有、控制的同一家公司发行的A股、B股、H股、可转换公司债券及存托凭证。

Comparators are widely used in analog circuits, such as: A / D, D / A convertor.

比较器广泛应用于模拟电路中，如：A/D，D/A电路。

A new kind of copolyetherimide is synthesized, and effect of contents of this kind of COPEI resin on morphology of blends of COPEI/the diglycidyl ether of bisphenol A(the Epikote 828)/ 4,4'-diamino diphenyl sulphone and preparation of epoxy resin microspheres are researched .

采用共缩聚方法合成了一种新型聚醚酰亚胺，通过改变它在COPEI/双酚A二缩水甘油醚型环氧树脂(E828)／二氨基二苯基砜共混体系中的用量，考察了对共混体系的相结构以及对制备环氧树脂微球的影响。

Corbicula fluminea (Müller 1774) was bred in the laboratory and two shell samples (shell height, A=13 mm, B=9 mm) were selected to determine the carbon isotopic composition of the increment shells (aragonite, CaCO3) and the host water. The results indicate that the carbon isotopic compositions of the two shells increased as the δ^13 C values of the host water increased from -5.24‰ to 1.41‰, showing the influence of δ^13C values on the shell carbon isotopes.δ^13C value ranges from -4.76% to -2.09% and δ^13 C from -8.49% to -2.89%. The δ^13 C values of shells A and B are both more negative than the predicted equilibrium ones, indicating that the shell had used the metabolic CO2 rich in 12C during their growth process.

对双壳类河蚬进行了室内养殖，并选取两个壳体样品（壳高，A=13 mm， B=9 mm），测定其生长部分壳体和生长期间水体碳同位素，研究表明，随着水体碳同位素的升高（δ^13C由－5.24‰升至1.41‰），两壳体碳同位素也随之升高，表明水体对壳体碳同位素的影响；δ^13CA分布范围为－4.76‰~-2.09‰，δ^13CB为－8.49‰~-2.89‰，壳体A和B碳同位素均比预测平衡值偏负，表明壳体在形成过程中利用了新陈代谢产生的富集12C的CO2。

Energy consumption and environmental emission are evaluated for a 5000t/a cornstalk pellet fuel plant.

以5000t/a的秸秆成型燃料生产厂为例，评价了其生命周期能耗和环境排放。

Persistence of grazing mixed pasture has been a key issue in environment conservation and sustainable utilizing of resources in karst region. Under moderate grazing with Corriedale sheep, the productivity and botanical composition of Trifolium pratense mixtures were studied over a 20-year period in karst region of southwest China. Four mixtures consisted of Trifolium pr...

用考力代绵羊轮牧，在牧前和牧后草地现存量(干物质，DM，drymatter)分别为1800~2500(草层高15~18cm)和900~1200kg·hm-2(草层高3~5cm)的适度放牧利用条件下，对亚热带最常见的豆科牧草红三叶与禾本科牧草的两两混播草地的群落生产力和持久性开展长期研究。20年的结果表明：适度放牧利用下，群落地上总生物量长期稳定，各组合间差异不显著，总盖度20a后仍高达97%以上；适度放牧有利于牧草的生产力持久性，红三叶、鸭茅、多年生黑麦草和黑穗画眉草都在群落中长期存在；群落净产量和持久性是尺度依赖的，群落长期净生产力以红三叶+鸭茅的最高(DM产量353.3g·m-2·a-1)(P.05)，对杂草侵入的抵抗力最强，而前10a红三叶+多年生黑麦草有很高的净生产力DM产量449.8g·m-2·a。。。

Your petitioner does not meet the requirements of section 213A.return with___original,signed,and notarized affidavit of support I-186 I-134 from a credible cosponsor.include a statement from the cosponsor explaining your relationship.

你的美国申请人未能达到法例213条A款上所述要求。请提供__套由可信的联合担保人亲笔签名并经过公证的经济担保书原件I-186 I-134。并提供一份联合担保人解释你们之间关系的书面声明。

Using a pair of needle nose pliers remove the cotter pin from the upper a-arm's ball joint, save cotter pin for re-installation.

用长嘴钳子从A-ARM的上球头那把固定的PIN取下来，放好，后面需要再装回去

Jo: So when a countable noun is introduced into the conversation for the first time you would use a or an.

Feifei：刚刚这个例子里提到了电影，那么电影这个可数名词是第一次在这个谈话中出现，所以用 a 来修饰。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。