超声波扫描显示她怀了双胞胎。
大部分妇女怀孕期间都将进行超声波检查，尽管不是规定性的。
Most women will be offered an ultrasound scan during pregnancy, although it's not obligatory.
它还利用超声波来探测物体的大小和形状。
Another thing it uses ultrasound to detect is the size and shape of objects.
我们往往低估了使用超声波的动物的能力有多复杂。
We have tended to underestimate just how sophisticated the abilities of animals that use ultrasound are.
让我们来谈谈声谱的另一端，人类听不到的声音——超声波。
Let's talk about the other end of the acoustical spectrum, sound that is too high for humans to hear—ultrasound.
根据文章所说，图片显示了带超声波传感器的手套是如何工作的。
Picture shows how the glove with an ultrasonic sensor works according to the passage.
许多动物都用超声波来进行侦查，有些动物还能发出非常高频的声音。
Ultrasound is used by many animals that detect and some of them send out very high frequency sounds.
它们可以探测到超声波；这意味着当蝙蝠靠近，飞蛾可以察觉到它的存在。
They can detect ultrasound; this means that when a bat approaches, the moth can detect the bat's presence.
动物园女发言人丽贝卡史密斯说：“我们有一个来自柏林的小组给所有怀孕的大象做超声扫描。”
Zoo spokeswoman Rebecca Smith said, "We have a team come over from Berlin to take ultrasound scans of all our pregnant elephants."
我可以创建一个手机超声波扫描仪和应用程序来测量血液中的氧含量，但管理制度不允许我这么做。
I could create a mobile ultrasound scanner and an application to measure the oxygen content in blood, but the regulations stop me.
那些不受直接威胁的植物每小时发出的超声波不到一次。
Plants that were in no immediate danger gave out less than one ultrasonic sound per hour.
研究二尖瓣腱索破裂（RMCT）的彩色多普勒超声心动图特征。
Study the characteristics of the color Doppler echocardiography of ruptured mitral chordae tendineae (RMCT).
还对25名正常人和3例风湿性心脏病患者进行了同步心尖和超声心动图检查。
Synchronous apexcardiogram and echocardiogram were also studied in 25 normal persons and 3 cases of rheumatic heart disease.
超声波扫描仪的体积，已逐步改小。
蝙蝠用超声波识别猎物发出的震动。
研究结果公布在心血管超声波期刊上。
The results are published in the journal Cardiovascular Ultrasound.
研究者使用一种超声波观察到了反应。
卵巢囊肿可通过盆腔检查及超声检查确诊。
Ovarian cysts can be identified with a pelvic exam or ultrasound.
对于在排水舱内的导线用超声波进行净化。
或者用超声波代替激光。
但是，超声波检测仪倒是能解决这个问题。
这不需要一种特殊的手机或者超声波。
超声波影像被用来检查肌肉纤维本身到底发生了什么。
Ultrasound images were taken to see what was going on in the muscle fibres themselves.
该临床诊断可通过CT，超声，或磁共振检查加以证实。
It is diagnosed clinically and confirmed by CT, ultrasound, or MRI.
庞贝表明正确的超声波信号产生的各种声音都可以听见。
The correct ultrasound signal, Pompei suggests, can produce any kind of audible sound.
蝙蝠视力很差，它们通常用超声波定位来导航。
Some bats with poor eyesight depend on echolocation to navigate.
通常，细针穿刺是在超声引导下进行的，这样针刺位置准确。
Often, fine-needle aspiration is done using ultrasound to guide accurate placement of the needle.
与研究者的预期相比起来，昂贵的超声治疗的效果反而有限。
In contrast, expensive ultrasound therapy does little to help, contrary to what the researchers had expected to find.
螳螂的耳朵只有一条裂缝，对于蝙蝠发出的超声波非常敏感。
The mantid ear -- a single slit -- is sensitive to the ultrasonic "pings" emitted by hunting bats.
螳螂的耳朵只有一条裂缝，对于蝙蝠发出的超声波非常敏感。
The mantid ear -- a single slit -- is sensitive to the ultrasonic "pings" emitted by hunting bats.
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