查询词典 double-entry system

Switch can be adjusted back up hand-held point of view (maximum 80 degrees) and leg drop angle (100 degrees);◆ foot bed lowest point from the ground 130mm, the highest point of the bed from the ground 680mm; also elevated bed of different heights;◆ bed in back with plexiglass plate, the user can seat on the bed for X-ray;◆ aluminum fence, can also choose to use push-pull PP flip rail or fence;◆ lift back, the waist angle of tilt, to prevent the sliding body;◆ by about 2 degrees of seat angle;◆ foot can be bent 100 degrees and can easily get out of bed from the bed and sat up and on;◆ foot horizontal position may rise higher than the height of 120mm;◆ with quiet casters with brakes and can be locked and lifted;◆ durability, operational quality, improved operating performance moving bed;◆ equipped with ABS headboard can be instantly demolished;◆ electric device of high quality fully enclosed permanent magnet DC control system;◆ low noise, high safety, long life;◆ new materials with polyester fiber mattresses;◆ can also choose to use low-rebound double-foam mattress or mattress waterproof material;◆ has good air permeability and durability.

可用手持开关任意调节背部上升角度（最大80度）和腿部下降角度（最大100 度）；◆脚部床面最低处离地面130mm，床面最高处离地面680mm；还可升高床面不同高度；◆床体背部采用有机玻璃板，使用者可以座在床上进行X光检查；◆采用铝合金护栏，还可选择采用PP翻动护栏或推拉式护栏；◆抬升背部时，腰部有一定角度的倾斜，为防止身体的滑动；◆采用了约2度的座角；◆足部可以100度弯曲，能够很方便从床上坐起和上下床；◆足部可上升高度比水平位置高120mm；◆采用静音带刹车的万向脚轮，并能进行锁定和解除；◆耐久性、操作性优良，提高了病床搬运的作业性能；◆配有ABS床头板可瞬间拆卸；◆电动装置采用优质永磁直流全封闭式控制系统；◆噪音低、安全性高、使用寿命长；◆配有聚脂纤维新材料床垫；◆还可选择采用低反弹的双层海绵床垫或防水材料床垫；◆具有良好的透气性和耐用性。

It is a cable-stayed bridge with float system of prestressed concrete and with twin towers and double cables.

该桥全长900.6米，桥面宽19米，主跨为388米的双塔双索面预应力混凝土漂浮体系斜拉桥。

It adopted the integration of non-wings are tail wing configuration to fly from nose to tip for the acute angle into, but from top to bottom is curved arch of the fixed front, for the front straight edge of the wing after the double-W, There are four pairs of a combination of aileron, elevator and the flap functions to manipulate the face, with its own aircraft and more than 4 degrees fly-by-wire flight control system to complete match.

该机采用了翼身融合的无尾飞翼构形，从机头至翼尖为成锐角、但上下是拱弧形的固定前缘，前缘为直线，机翼后缘成双W形，有四对综合了副翼、升降舵以及襟翼功能的操纵面，与飞机本身的4余度电传操纵系统相配合完成飞行控制。

Analysis on errors of single axis energy storage/ attitude control system with double flywheels.

单轴飞轮储能与姿态控制系统误差分析。

This factory is produces industry equipment's and so on gas stove fitting, water pump, mining machinery and transportation machinery specialized factories, and may make each kind of non-sign product and the fitting according to the user's needs, my factory insisted that strives for the survival by the quality, strives for the development by the prestige, all product design uses the international standard, the technical force level occupies the domestic same profession leading position, achieves the international standard, obtains the Chinese famous brand, the Chinese quality, the prestige double safeguard unit successively and so on numerous honors, and obtains the ISO9001 international quality system authentication.

本厂是生产工业煤气炉配件、水泵、矿山机械及输送机械等设备的专业厂家，并可根据用户需求制造各种非标产品及配件，我厂坚持以质量求生存，以信誉求发展，所有产品设计采用国际标准，技术力量水平居国内同行业领先地位，达到国际水平，先后获得中国著名品牌、中国质量、信誉双保障单位等众多荣誉，并获得ISO9001国际质量体系认证。

Xinjiang Hua Dianhong the wild goose pond power plant 220kV system altogether has four going beyond a line: Two Man Xian (2421), two lines (2422), two grablines (2423), two palace lines (2427), each line disposes WXB-11C and the WXB-15 double draught microcomputer protection.

新疆华电红雁池电厂220kV系统共有四条出线：二满线（2421）、二头线（2422）、二托线（2423）、二宫线（2427），每条线路均配置WXB-11C和WXB-15型双套微机保护。

double pendulum ; gravity free system ; rigid rod ; energy level set ; KAM theory

图 1 双摆模型其中 Pg 中的 g表示系统处于重力场，细杆 OA的质量和长度分别为 m1，l1，细杆 AB的质量和长度分别为 m2 、l2 ，质点 A和 B的质量分别为 m A，m B，系统Pg 绕固定点 O作平面运动

The net photosynthetic rate and maximum net photosynthetic rate of slash pine's half-sib around 1 year is studied utilities of LI-6400 portable photosynthetic system so as to study on the seasonal variation and difference on net photosynthetic rate. The result showed that the seasonal variation of net photosynthetic rate and maximum net photosynthetic rate of slash pine's half-sib is double range curve. There is no notable difference on net photosynthetic rate among needles with same half-sib. There is notable difference on net photosynthetic rate with same needles among half-sib. The net photosynthetic rate of 1 year needle of half-sib 464 and 609 and 1077 is over than others.

为研究湿地松半同胞家系间净光合速率的差异及其季节变异规律，应用LI－6400便携式光合测定系统，对湿地松优良半同胞家系一年中各月净光合速率、最大净光合速率进行了研究，结果表明一年中湿地松各半同胞家系1龄针叶、2龄针叶净光合速率、最大净光合速率的季节变异规律呈'双峰'型，家系内不同单株同龄针叶的净光合速率值没有显著差异，而家系间相同年龄针叶的净光合速率值则存在着显著差异。

DOUBLE WATER HEATERS, WATER TREATMENT SYSTEM..

双水加热器，水处理系统。。

Whole process simulation of conversion from starting mode to generating mode has been done. Simulation results have been verified by experiment results. Double function of induction starter/generator system has been realized.

对多年来国内外三相变频驱动系统中逆变器的故障诊断与容错技术进行了总结与比较，指出了各种方式的优缺点，并提出今后的研究方向。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。