| 1. | This included the five subjects of engineering drawing, mathematics, applied mechanics, principles of electricity, heat light and sound .
这种考试内容包括工程制图、数学、应用力学、电学原理以及声光热等五门课程。 |
| 2. | Product update info new outdoor siren is released
新品发布智能室内外声光警号 |
| 3. | Alarmmethod : sound and light alarm alarm contents : fetal heart rate
报警方式：声光报警 |
| 4. | Acoustooptical modulation and its wave distortion analysis
声光强度调制和失真波形分析 |
| 5. | Swivey of acoustical and optical parameters in the sea
海洋声光要素调查 |
| 6. | Research of high efficiency acousto - optical modulator
高效声光调制器研究 |
| 7. | Development of a new mine audible and visual signal device
新型矿用电子声光信号装置的研制 |
| 8. | Experimental investigation of acoustooptic effect
声光效应实验研究 |
| 9. | The company has come up with a new acousto - optical device
这家公司已制造出一种新的声光装置。 |
| 10. | Acoustic , optical alarm signals and identifying indications in ships
船舶声光报警信号和识别标志 |
