四线的

MG7 AT adopts small style equipped with traditional particular round, independent big racing car, overly aggressive in manner like a cheetah showing motive quality and character generated from a racing car. Reticulated grid is something of BMW as if telling us a historical relationship with BMW while the accessorial decorated bar on the periphery in strong and fashionable feature with the added cheomplate decorated bar both at front and back is the complementary to former metal wire, which proves more confident. Joining with cheomplate decorated bar on the high waistline, side window and afterbody enhances the modern feeling of the whole car as well as injects sumptuous feature. Wheel hub with individuality and motive feeling highly has won extensive praise from fans for cars.

MG7 AT采用了小脸造型，传统而独特的四圆、独立赛车大灯，个性张扬而激进，如同猎豹一般，显现出MG运动的气质和出身赛车世家的血统；双肾形网状格栅颇有些宝马的神韵，仿佛在向人们诉说着当年与宝马的历史姻缘，而外围增加的镀铬装饰条有力而时尚；前后保险杠上也增加了镀铬装饰条，与原有的金属腰线相得益彰，更显自信；车尾则在高腰线、侧窗和尾部加入了镀铬饰条，增强了整车的现代感，也增添了全车的华贵；轮毂造型更有个性，也更具运动感，在车迷中也是倍受好评。

Comparing with FWM without dressing fields,the strength of the singly-dressing FWM signal is suppressed when the modulation-field is linear or elliptically polarized.

与非缀饰四波混频信号的强度相比，单缀饰光作用下的四波混频信号的强度在偏振调制光为线偏振及椭圆偏振的情况下受到了不同程度的抑制。

This line will connect another important one—Beijing—Shanghai Rapid Railway to form a network of "4-Vertical and 4-Horizontal Railways" in China, at the same time, this line will promote the integration of the Yangtze River Delta region together with other railway lines by developing a "1~2 hour traffic circle".

该线是连接京沪高铁的另一条重要高速铁路，是全国"四纵四横"高速铁路网中的"四横"之一沪昆高铁的起始段，并与沪宁、宁杭、杭甬等铁路组成长三角地区各主要城市间的"1~2小时交通圈"，推动长三角地区的一体化发展。

Based on specific requirement for the top-coal caving mining to the four-bar linkage ,a design method of the four-bar linkage is put forward in the paper in which the least difference function between the lemniscate locus and the power function curve is used as the main objective function.

基于综放工艺对支架四连杆机构的特殊要求，首次提出以双纽线与幂函数曲线之差值最小作为主要目标函数的数学模型，并在此基础上应用VisualBasic5 0编制了四连杆机构的优化设计程序，可以同时实现优化参数显示与优化结果的动态显

The quantity computed is the expected clutter power at the output of any specified range gate by the method of integrating reflected energy between constant Doppler loci in range-gate circles with a model of sum and difference antenna gain pattern for APAR. Base on the analyzing of APAR terrain clutter spectrum, Rayleigh, Correlated Log-Normal and Weibull distribution terrain clutter of APAR general pulse signal was simulated with the method of zero memory nolinearity transform.④The Doppler frequency of target echo is simulated on video frequency in this dissertation.

该软件采用了用C语言建立框架结构，而在程序高重复部分和有运算速度要求的地方，用汇编语言编写具有高并行能力程序的方法，不仅满足了系统高运算速度和实时性的要求，也使得软件系统结构模块化，代码具有良好的维护性和重用性；③对机载相控阵雷达HPRF、MPRF的和、差通道地面杂波功率谱进行了较为全面的研究，通过建立由四个子波束构成的机载相控阵雷达杂波和差波束天线方向图数学模型，选取体现高度线杂波的修正的地面后向散射模型，以载机平飞为例，采用沿距离门——等多普勒线区域积分的方法，得到了杂波功率谱，并利用零记忆非线性变换法实现了机载相控阵雷达常规脉冲情况下瑞利分布、对数正态分布和韦布尔分布地面杂波的模拟；④提出了采用在视频上对目标回波的多普勒频率进行模拟的方法。

The metastable phase equilibrium of the quaternary system Na(superscript +)∥Cl(superscript -), CO3(superscript 2-), B4O7(superscript 2-)-H2O was studied at 273 K by isothermal evaporation method, the solubility and density of the equilibrium solution of this system were determined and the metastable equilibrium phase diagram was plotted in line with the experimental data. The phase diagram of the system consists of three univariant curves, three crystallization fields and one invariant point.

采用等温蒸发法研究简单四元体系Na∥Cl，CO3(上标 2-)，B4O7(上标 2-)-H2O273K时的介稳相平衡，并测定该体系273K平衡液相中各组分的溶解度及密度，该体系的介稳相图和密度组成图显示：该四元体系在273K时的相图由3条溶解度单变量线、3个结晶区及1个共饱和点组成。

It is a kind of double-twist star quadding machine with motorized taking-up, tension control system, twist pitch maker(pre-spiraller), enclosed bow type carriage, separator, yarn binder, capstan wheel, bar traverser and semi-automatic reel loader-unloader, etc.

生产线技术特点：焊接电流自动跟踪牵引速度特殊设计的成型工具，确保焊接的稳定进行特殊设计的电气工艺控制板，确保焊接平稳能实现设备的停车再启动的功能，满足生产线间断操作废带收卷速度自动跟踪牵引速度配置清晰高倍显示焊缝溶池的监视系统高速星绞设备概述：本机主要用于长途通信电缆的四线组绞合，是一种双节距星绞机，由主动收线、张力控制装置、扭矩发生器、封闭弓式绞笼、分离器、扎纱装置、牵引轮、光杆排线及半自动线盘装卸装置等组成。

Growth of cultured winged pearl oyster, Pteria penguin was studied in 20 months in Li'an Lagoon, Hainan, south China. The growth parameters of maximum diagonal length, shell length, hinge length and total weight were measured monthly and described using y=y(subscript ∞)/superscript (1+e-k+d sin (2п/365.25).

对海南黎安港的企鹅珍珠贝养殖群体的生长进行了20个月的观察，每月测量其壳高、最大对角线长、绞合线长和总重四个生长指标，并用模型y=y/1+e(上标-k+d sin (2п/365.25)分别拟合这四个指标的生长曲线。

The disclosed stripline resonator comprises two parallel metal ground plates 4, an inner conductor 5 between two plates 4, a metal short-circuit board 6 connected to with two ends of plate 4, and two coupling loops 7 on proper position of connected part of plate 4 and conductor 5 for input/output of microwave signal.

一种带状线谐振器及微波薄膜材料电磁参数测试装置，属于微波测试技术领域。带状线谐振器包括金属接地板4、内导体5、金属短路板6和耦合环7等四个部分，所述两块相互平行的金属接地板4的两端分别与金属断路板6连接，内导体5处于两块金属接地板4的中间，其中一块金属接地板4与内导体5相连的上下方的适当位置具有两个耦合环7，以实现微波信号的输入和输出。

Note: 1, block size that you want to match the dimensions of offcinale; 2, sections, and all have the word ""+ line and potential subject-which is the basic standard version; 3, block is usually marked with Y, m, c, K (representing the yellow, red, blue, and black) four basic tags, and the Panel, which is directly above the \u25878-10%-100% of the network cable to indicate their wish to color bar to show the network cable for sparse and dense pattern with the principal.

注：1、印版尺寸给与铁皮尺寸相吻分；2、版不背给有&+&字线及准不本洋心线，这是尺度版的根基不本记；3、印版凡是不本有Y、M、C、K（分别代表黄、赤、蓝、暗）四栽根基不本记，且版不背侧上不圆均有-10%-100%的网线暗示彩条，以示网线的茂密与茂密与宾体图案的差照。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。