查询词典 echo-location

For the active acoustic fuze for a torpedo on the basis of the distance measurement done by using acoustic pulses, the echo of a randomly undulating wave is a main disturbance to recognize a surface ship.

摘 要：基于脉冲回声探测的主动声引信识别水面舰船，随机起伏的波浪回声干扰是限制其可识别水面舰船最小吃水的主要因素。

With ADAS 3-D data assimilation system, reanaiysis data of NCEP, radar echo andGMS5 satellite image had been applied to simulate the event.

本文利用非静力平衡的中尺度模式ARPS(V5.2)，使用1°×1°NCEP再分析资料，运用ADAS 三维同化系统对雷达回波、红外云图进行了同化，然后进行了48小时数值模拟，并设计了四个敏感性试验。

Cape plumbago provides a faint echo of blue behind deep-blue lily-of-the-Nile (Agapanthus 'Storm Cloud').

角石墨提供了深蓝色的背景，尼罗河。

Mythologies from around the world echo with the distant memory of Fly Agaric as a semi-divine being associated with mighty thunder gods and cosmic fire.

神话来自世界各地的回声与遥远的记忆飞金顶作为一个半神的正相关，与威武雷电神和宇宙火。

The agrarian development is only a weak echo of it.

在农业方面的发展仅仅是它的一个很小的回声。

Automobile, motorcycle air horn, echo horn, all kinds of strange sound speakers;?

汽车、摩托车用气喇叭、回音喇叭、各种怪音喇叭；？

Results In the 24 cases, B - Flow displayed low level echo or medium echo blocked the lumen of the vessels or pardy, and clearly showed the shape and size of thrombus and relationships between the thrombus and the vessels wall without overflowing artifact.

结果24例病例中，B—Flow显示在血管内见低回声或中等回声，充填或部分充填血管腔，并能清晰地显示血栓形态、大小、血栓与管壁的关系，无血流外溢伪像。

The endometrial echo patterns visualized sonographically were divided into three categories by Gonen: pattern A: present a triple-line pattern or multilayered endometrium in which hyperechogenic outer lines and a well-defined central echogenic line were visualized, with hypoechogenic or black areas seen between lines; pattern B: present an echo pattern in which the endometrium had the same echogenicity as the myometrium, the central echogenic line is dim; pattern C: present a homogenous endometrium with no central echogenic line.

按照Goden等人的分型标准，晚滤泡期子宫内膜在超声下可以分为三种类型：A型：即三线型，为外层及中部强回声，外层与宫腔中线之间为低回声区或暗区，宫腔中线回声明显；B型：为均一的中等强回声，宫腔中线回声不明显；C型：为均质强回声，无宫腔中线回声。

The inventory operation model of three-echo supply chain was analyzed, and the possible structure varieties of three-echo supply chain were explored from the aspects of information flow and material flow.

分析了三级供应链的库存运营模式，从信息流和物流的两个维度探讨了三级供应链的可能结构变体。

Bottom sediement classification by using the multibeam echo sounder data is a topic of interest to marine geologist, and is also a research hotspot of application of multibeam echo sounder data.

摘要利用声反向散射数据作海底沉积物分类，是海洋地质学家感兴趣的话题，也是目前多波束声纳应用的一个研究热点。

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％。