2的例句大全

Trellis Coded Modulation ( TCM) has been widely used because it can obtain 2. 55~ 7. 37 dB coding gain without bandwidth expansion or reduction of the effective information rates.

由于格状编码调制（TCM）可以在相同的频带利用率下使信号得到2.55～7.37dB的编码增益，所以得到了广泛的应用。

The two ultra-high frequency outer antenna sensors are made with wide band and narrow band respectively. The gain of two sensors is both greater than 1 and VSWR of the sensors is less than 2 in effective bandwidth range.

研制了宽带和窄带两种超高频外置天线传感器，两种传感器增益均大于1，驻波比在其有效带宽范围内均小于2，均能用于GIS局部放电超高频检测。

The paper describes the common troubles of GS636-2 thermal plotter and the methods to remove them out.

为了配合地震解释工作，对GS636-2热敏绘图仪的常见故障进行分析，给出具体的排除方法。

Study of Safe Dosage and Bactericidal Test of CO 2 Laser Exposure on Human Teeth

CO2激光照射牙齿的安全剂量及灭菌研究

Salmonella pullorum mainly causes the death of 2-3 weeks old chickens, and the adult chickens appear as bacteria carrier without clinical symptoms.

鸡白痢沙门菌多造成2-3周龄雏鸡死亡，成年鸡则可带菌而无临床症状。

So slice it, then roll it in an8-inch whole-wheat tortilla with a piece of Canadian bacon or lean ham and, if you like, a1/ 2-ounce slice of cheese.

所以将它切开，和一块加拿大熏猪肉或者精肉火腿一起卷入一张八英寸全麦玉米饼里。还可以根据个人喜好，加入一片1/2盎司的奶酪。

It also achieves the goal of exchanging information between nodes that the real-time data requires by making use of adaptive priority adjustment. ( 2) It designs a sink-based distributed backbone wireless network hierarchical routing protocol.

利用网络节点的自适应优先级调整，实现了不同数据实时性要求的节点间的信息交互。（2）设计了一种基于汇聚节点的分布式虚拟骨干无线网络分级路由协议。

Three chitinase producing bacillus strains G 1 ( Bacillus brevis), G 2 ( Bacillus licheniformis) and G 3 ( Bacillus subtilis) showed inhibitory effect on the growth of pathogenic fungi.

三株产几丁质酶芽孢杆菌[短芽孢杆菌（G1）、地衣芽孢杆菌（G2）和枯草芽孢杆菌（G3）]对植物病原真菌生长有抑制作用。

The 1-2 month-old baby minks of Mink Farm of Yili are usually suffered an acute haemorrhage and high fever disease which was diagnosed Pasteurellosis during June and July every year.

伊犁地区水貂场的1～2月龄仔貂，在每年的6～7月间常发生一种急性出血性高热病症，经确诊为巴氏杆菌病。

The Fresh-Keeping technique of Litchi Seedless was studied by 16 groups of treatments made with 3 kinds of self-made antioxidant, 3 kinds of Fresh-Keeping bags and 2 kinds of fresh-keeping film, combining heat and cold treatment respectively under normal and low temperature.

选取3种自制的抗氧化剂，配以3种保鲜袋和2种保鲜膜，结合热处理和冷处理，配成16组处理，分别在常温和低温条件下研究了无核荔枝保鲜的技术。

The combining power of the Schick test toxin prepared with crude toxin standard was 2~ 5 times as strong as that pre-pared with purified toxin standard.

原制锡克试验毒素的结合力一般为精制的2～5倍。

Lengthening service life of furnace body using DPB high temperature mending material in Dalian rolling steel works № 2

大连第二轧钢厂应用DPB高温补炉料延长炉体使用寿命

Study on synergistic cytotoxic effects and mechanism of selective cyclooxygenase-2 inhibitor and cisplatin against human lung cancer cell lines

选择性COX-2抑制剂联合顺铂对肺癌的协同细胞毒作用及其机制研究

Choice of reaction time ( 1) and ( 2) in manual worker and non-manual worker in city was shorter than that in farmers ( P < 0.01).

40～59岁组女性：城市非体力劳动者的握力强于城市体力劳动者和农民（P<0.05或0.01），城市体力和非体力劳动者闭眼单脚站立时间和选择反应时均优于农民（P<0.01）。

Furthermore, equivalent apodization can also be achieved by varying the sampling duty cycle. 2. Coupled-mode theory and transfer matrix theory.

利用重构一等效啁啾技术还可通过改变取样占空比来对光栅进行等效切趾。2.耦合模理论和传输矩阵理论。

To ensure the flexibility of representing the diversified structure features, a new approach coding the structure configuration was proposed by means of combining 2-tuple ordered pair of all two relevant structure elements.

利用结构要素二元有序对组合来表示变化多样的零件结构构型并加以编码，使编码方法具有柔性。

Other engines cited among 2014" s best include turbodiesels in the BMW 5 Series luxury sedan and the compact Chevrolet Cruze, the horizontally opposed 2.7-liter six-cylinder in the Porsche Cayman two-seat sports coupe and the 1.8-liter turbo-four in the compact Volkswagen Jetta sedan.

2014年最佳引擎榜单的其他入选者还包括宝马5系豪华轿车和紧凑型雪佛兰科鲁兹（Cruze）所使用的涡轮增压柴油发动机，保时捷Cayman双座运动跑车的水平对置2.7升6缸发动机以及大众汽车捷达紧凑车的1.8升4缸涡轮增压发动机。

Chapter 2, the influence of Japanese literature, shifting wind of Japanese literary world and the Left Wing Literature ( the proletarian literature) that affected them.

第二章，论述日本文学、日本的文坛风向、左翼文学（无产阶级文学）对创造社作家的影响。

Materials& methods: Adult male Wistar rats were randomly divided into 2 groups i.e, varicocele group ( VG) and sham operation group ( SOG). After three months, bilateral testes were removed to make ultrathin section and their mitochondria were isolated.

方法：将精索静脉曲张模型组（VG）和假手术组（SOG）Wistar大鼠于术后3个月，取双侧睾丸，制作超薄切片和分离线粒体，各指标测定按试剂盒说明书进行。

The desilting rate for coarse grain which diameter more than 0 5 mm is 100 percent, and for fines which grain diameter less than 0 5 mm is 90 percent, the water consumption is only 2-3 percent of channel diversion.

对0.5mm以上的粗颗粒泥沙的截沙率为100%，对0.5mm以下细颗粒泥沙的截沙率为90%，排沙耗水量仅占渠道引水量的2%～5%。