查询词典 echo-location

Short TR, short TE spin echo or short TI, short TE composite inversion recovery (IR spin echo images are used to demonstrate the high signal that develops at some time after the ictus, as early as 10 hours but typically 2-3 days, and persists for a variable length of time, from a few weeks to a few months.

短TR，短TE回波脉冲(或短TI，短TE 整合反转恢复回波脉冲)影像主要用于显示高信号，这种信号常是病变爆发后产生，最早10小时，但典型是2-3天。并且高信号可持续几周甚至几个月。

According to short term monitoring data, it appears that the new cell echo before the radar echo is advantage for the development and maintenance of the squall line. And the initialization of new cell is associated with boundary-layer convergence line. As a result, mesonet data is useful fur to research on squall line.

从短时监测的资料分析，飑线发展过程中，雷达主回波前方的新生的回波单体对飑线发展和持续十分有利，而它的新生与边界层的辐合线相联系，因此，充分利用中尺度地面观测资料有助于飑线的发展研究。

The intensity level of ultrasound echo which reflect the fibrosis severity of pancreatic parenchyma and local atˉtenuated ultrasound echo with no-clearly border in pancreatic parenchyma is presentation of pancreatic tumor.

胰腺结石诊断不难，胰腺实质回声增强的强度反映纤维化的程度，在实质回声增强的胰腺中出现回声减弱并有模糊边界是胰腺肿瘤的表现。

Sex of arteriosclerosis of result lower limbs is out-of-the-way 2 dimension behave disease on supersonic image for pathological changes blood-vessel inside in film is shown irregular add thick, local show strong echo spot, and to hemal antrum inside protuberant, hemal antrum internal diameter shows irregular stricture, pathological changes paragraph solid sex is low it is thus clear that inside hemal antrum echo smooth group fills up; color much general straps blood stream to show resemble showing to; of blood stream signal is not had inside hemal antrum multilayer helix CTA shows pathological change paragraph hemal area does not have comparative agent, show what side raises artery to take travel and initiative place at the same time.

结果下肢动脉硬化性闭塞症二维超声图像上表现为病变血管内中膜呈不规则增厚，局部呈强回声斑，并向血管腔内突起，血管腔内径呈不规则狭窄，病变段血管腔内可见实性低回声光团充填；彩色多普勒血流显像显示血管腔内无血流信号；多层螺旋CTA显示病变段血管区域无对比剂，同时显示侧支动脉的走行及起始部位。

The paper realizes the echo image and the interaction interface non-twinkle display by off-screen drawing , the echo image all-round sweep dynamic display and the simulation of functions of the sonar simulator.

通过离屏绘制实现了回波图像及人机交互界面的无闪烁显示，并实现了回波图像的圆周扫描动态显示和渔用声纳模拟器各种功能的模拟。

First order sea echo, which contain the information of ocean surface current, is firstly separated from sea echo through prepossessing. MUSIC is then applied to extract the bearings of the signals at every Bragg shift.

该算法首先通过预处理从海洋回波中分离包含海流信息的一阶回波，然后针对其中可分辨的每一个Doppler频移上的信号，采用MUSIC算法求其多个存在方位。

First, in order to verify the correct of this retrieval month, by using the data of three-dimensional wind field, raininess field and temperature field that are output by MM5 numerical simulation, we climate the radial velocity field and echo intention field in the in-phase observation area of Dual-Doppler radar, then, on the base of the upwards retrieval theory and using the radial velocity field and echo intention field in the in-phase observation area of Dual-Doppler radar, we retrieve the atmospheric three-dimensional wind field.

首先，为检验此种反演方法的可靠性，我们使用MM5数值模式输出的三维风场、雨强场、温度场等数据，分别模拟生成两部雷达同步观测区的径向速度场和回波强度场，然后根据以上的反演理论利用模拟的双多普勒天气雷达观测到的径向速度场和回波强度场反演出大气三维风场。

Although, because of the veil of illusion, this Call of the Ancient One may appear as a voice in the wilderness, its echo and re-echo nevertheless pervades through time and space to rouse at first a few, and eventually millions, from their deep slumber of ignorance.

虽然由于幻相的面纱，至古者的这个呼召可能像荒野里的声音，但它的回音和再回音却穿过时空，最初把几个人，最终把亿万人从愚昧的昏睡中唤醒。

May the fullness of Christmas joy be yours, and may the angels' song of that first Christmas echo and re-echo through our hearts and lives, until everything in these temples of ours says, Glory to God in the highest, and on earth peace, Good will toward

愿圣诞喜乐的丰满赐予你们，愿第一个圣诞节天使的歌声缭绕，回响在我们的心和生命里，直到凡在我们殿宇中的都说道，「至高之处荣耀归于神，地上平安赐予人，──直到他来。

The double～probe pulse echo method, combining the advantages of transmission technique and pulse reflection method, is used to optimize the ultrasonic echo signal amplitude in case of strong attenuation of energy when ultrasonic signal transmitting in solid rocket motor grain.

采用双探头脉冲反射法，综合了穿透法和脉冲反射法的优点，实现了超声信号在固体火箭发动机药柱中传播时能量强衰减的情况下超声回波信号幅值的最优化。

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％。