键盘式手风琴

The Company is not only the production of "child prodigy" brand children's accordion, but also the production of "Aviva" brand accordion professional use (including the keyboard and the button-style accordion, hexagonal Guoqin, harmonium), annual production of 350,000 Units, and 85% of products are exported to The United States, South America, Western Europe, Japan, the Middle East.

本公司不仅生产"神童"牌儿童手风琴，还生产"英杰"牌专业用手风琴（包括键盘和纽扣式手风琴，六角琴，簧风琴），年产量达35万台，且85%的产品被出口到美国，南美，西欧，日本，中东。

Founded in Italy in 1889, Polverini has a history of more than 118 years. It is one of the most historic accordion manufacturer and the only accordion manufacturer with the ability to design and produce all kinds of accordions models (standard piano, chromatic accordion, diatonic accordion, convertor, MIDI accordion) and more than 100 other models.

意大利博罗威尼手风琴创始于1889年，有着120多年的悠久历史，是意大利手风琴历史最长的手风琴品牌之一，也是现存意大利手风琴工厂中历史最长的工厂，同时也是意大利唯一一家手风琴工厂有能力并且生产各种100多种不同型号的手风琴，包括键盘式手风琴/键钮式手风琴/全音阶手风琴/半音阶手风琴/传统低音手风琴/自由低音手风琴/电子手风琴。

Born in Chester, northern England, in 1947, Skempton must by now have composed at least double that number of piano opuscules, together with a comparable tally of brief pieces for piano-accordion, which he plays himself.

斯开普顿于1947年出生在英国北部的柴郡。迄今为止他已创作了至少两倍于此数的钢琴短曲，以及数量相当的由他自己演奏的键盘式手风琴短曲。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。