文章讨论第一类亦声字。
“亦声”就是意兼声，是一种既不同于会意又不同于形声的特殊结构。
"Yisheng" contains idea and phone, it is a special structure different from idea oriented and pictophone.
离加油站30码时，我听到了一声巨响，脚下的地亦随之震动。
I was about 30 yards from the pump station when I heard an explosion, and the ground shook beneath my feet.
环形叶栅声激励和PIV测量的实验结果亦证实了这一结论。
These conclusions also have been validated by our experiments of acoustical excitation and PIV measurement.
同时亦具有关门警示声。
这里采用了源自微软视窗操作系统的抵达响钟声，同时亦跟东芝自己的声音用于关门警示声中。
The arrival chime utilizes one adopted from the Microsoft Windows operating system. So is the door closing chime along with Toshiba's own sound.
结果显示肝外胆管显示长度增加，内径明显增宽，同时胆管内透声亦明显改善。
The results showed the increased length and the inside diameter of extrahepatic bile duct and the obvious improvement of ultrasound pentration.
结果显示肝外胆管显示长度增加，内径明显增宽，同时胆管内透声亦明显改善。
The results showed the increased length and the inside diameter of extrahepatic bile duct and the obvious improvement of ultrasound pentration.
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