Incorporate one 15 inch low Frequency Driver for the SVP-15PB and one 18 inch low Frequency Driver for the SVP-18PB, mounted in a low resonance composite wood enclosure.
纳入的高级副总裁一台15英寸的低频驱动器15pb和一个18英寸的低频驱动的高级副总裁- 18pb，在低谐振式复合木外壳。
Wood, J. M. , et al. , " Effects of the 1989 San Francisco earthquake on frequency and content of nightmares. " J Abnorm Psychol, 1992. 101(2): p. 219-24.
等〈 1989年旧金山大地震对恶梦发生频率以及恶梦的内容的影响〉 《变态心理学期刊》，1992。101（2）：219-24页。
The team identified the frequency of knots in the wood as the cause, returned to the sawmill, and selected each plank by hand, examining the pine for knots and other potential flaws before purchasing.
研究小组发现结木的频率是一大原因，于是他们返回到锯木厂，并重新选择每个板手，检查松木其他潜在的缺陷。
The frequency of the wood fiber length in different parts of the trunk is in evenly normal distribution.
不同树干部位木材纤维的长短频率分布均匀且遵从正态分布。
This paper explores the feasibility of ultrasonic technology leading to produce fire-retardant wood and test conditions such as frequency, sound intensity and time etc.
探讨了超声波应用于木材阻燃浸渍处理过程的可行性，同时讨论了超声波试验参数频率、声强、辐射时间等的选择。
This paper introduced the application of infrared ray, supersonic wave, high frequency, laser, radioisotope, microwave and acoustic emission technology to wood industry.
介绍了红外、超声、高频、激光、同位素、微波、声发射、计算机等近代技术在木材工业上的应用概况。
For: wood, furniture puzzle of cold, hot adhesive, especially suitable for high frequency jointing machine operation.
用于集成材、家具拼板的冷压、热压的粘合，特别适用于高频拼板机操作。
The table reciprocating is controlled by the convertible frequency electric installation, so the speed is constant and adjustable and the wood-panels cutting are more tidily.
台面往复由变频电气装置操纵；速度匀速可调，板材切割更整齐。
The table reciprocating is controlled by the convertible frequency electric installation, so the speed is constant and adjustable and the wood-panels cutting are more tidily.
台面往复由变频电气装置操纵；速度匀速可调，板材切割更整齐。
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