Because of ultrasonic attenuation in organism is proportional to frequency, 2 MHz ultrasonic distance and receiving sensitivity.

超声波在生物体中的衰减与频率成正比, 使用2MHz超声换能器由于衰减大致使穿透深度小、接收灵敏度低、仪器综合灵敏度难以提高.

互联网摘选 2025-01-18 17:38:44

重点词汇

相关例句

1、

The oscilloscope bandwidth set at 20 MHz with co-axial probe.

示波器带宽设为20兆赫兹,同轴探头.
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2、

They also emit UHF waves of 225-400 MHz.

他们也发射225到400赫兹之间的超高频波.
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3、

You can receive our program at short wave 37.5 MHz.

你可在短波37.5兆赫上收到我们的节目.
来源：英汉 - 翻译样例 - 口语
4、

The clock frequency is 1 MHz. The device samples sensor-read data during the write operation.

时钟频率为1兆赫. 在写操作的过程中,设备从传感器独处的数据总取样.
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5、

The 3 db Bandwidth is 30±5 MHz . The stop-band attenuation ( f _ 0±100 MHz ) is over 35 db except individual frequency points.

三分贝带宽为30±5MHz,阻带衰减 ( f_0±100HHz ) 除个别频率点外,其余都在35db以上.
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6、

This will reset the FM frequency back to 84 MHZ.

这将重置调频频率回至84兆赫.
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7、

This paper an architecture AVS high definition decoder with the operating frequency of 150 MHz.

本文简要介绍了漏磁检测技术的原理,以及高清晰度漏磁检测器的系统结构.
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8、

It has been specifically tested and optimized for TETRA, IDEN and Analog modulation in 800 MHZ bands.

这一装置(统)经专门针对TETRA, IDEN和800兆赫波段模拟调制做过测验,使之达到最优化.
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9、

The download rate is 32 Mbps when using 64 QAM modulator in 8 MHz bandwidth channel.

在CATV网采用64QAM调制技术,每个8MHz带宽的电视频道可提供高达32Mbps的净下行速率.
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10、

Bandwidth of the sensor is 300 MHz with SNR 50.

该传感器的频带宽度为300MHz,信噪比为50.
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11、

Thereafter, they migrated gradu-ally into the cortical region together wich GO, Mitochondria ( Mi ), etc.

其后, 它们和Go 、线粒体 ( Mi ) 等逐步迁移到细胞质的皮质区.
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12、

Results SRI were obviously irregular in patients within MI.

结果　MI病人局域心肌SRI图出现严重紊乱.
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13、

For four months Golitsin roamed across the most secret files in MI 5.

戈里钦翻阅军情5局的最秘密档案翻阅了整整四个月.
来源：词典精选例句
14、

The focal depth was about 6 mi.

震源深度约6哩.
来源：词典精选例句
15、

Mr. Mi Er has suffered our warm welcome.

米尔先生受到了我们的热烈欢迎.
来源：词典精选例句
16、

Tickets with unused SQ or MI sectors , but used interline sectors.

SQ或MI航段未使用,其余航段已被使用的机票.
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17、

But Mi was slighted. Mi took his anger out on almost all of Cao Cao's subordinates.

祢衡被召来后,曹操对他不以礼相待惹得祢衡当面骂遍了曹操手下的谋士和大将.
来源：英汉 - 翻译样例 - 文学
18、

I hope you should be ha y together with MI in future.

愿你将来的日子和mi在一起可以很幸福!
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19、

Mamma Mia, what am I to do?

妈妈咪呀, 我该怎麽办?
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20、

Mia, would you care to say a few words?

米亚, 你介意说几句吗 ?
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