低音的铜管乐器

A brass wind instrument with a range similar to that of a baritone voice.

上低音大号，次中音号一种类似于大号的铜管乐器，但具有较高的音度和柔美的声音

Bombardon:a brass instrument resembling a tuba but with a lower pitch ; a bass or contrabass tuba.

低音大号：一种与大号相似却音调较低的铜管乐器；低音或最低音大号。

Bombardon:a brass instrument resembling a tuba but with a lower pitch; a bass or contra bass tuba.

低音大号：一种与大号相似却音调较低的铜管乐器；低音或最低音大号。

The tuba, the lowest of the brass instruments, was invented in 1835 by the German trombonist Wilhelm Wieprecht.

大号是管弦乐队里最低音的铜管乐器，於1835年由德国长号演奏家魏普莱希特发明。

A brass wind instrument similar to the tuba but having a somewhat higher pitch and a mellower sound .

上低音大号，一种类似于大号的铜管乐器，但具有较高的音度和柔美的声音

A brass wind instrument similar to the tuba but having a somewhat higher pitch and a mellow er sound.

上低音大号，次中音号一种类似于大号的铜管乐器，但具有较高的音度和柔美的声音

A brass wind instrument similar to the but having a somewhat higher pitch and a mellower sound .

上低音，次中音号一种类似于的铜管乐器，但具有较高的音度和柔美的声音

A brass wind instrument similar to the tuba but having a somewhat higher pitch and a mellower sound .

上低音大号，次号一种类似于大号的铜管乐器，但具有较高的音度和柔美的声音来源：词友

A brass wind instrument similar to the tuba but having a somewhat higher pitch and a mellower sound .

上低音大号，次中音号一种类似于大号的铜管乐器，但具有较高的音度和柔美的声音

A brass wind instrument similar to the tuba but having a somewhat higher pitch and a mellower sound .

上低音大号，次中音号一种类似于大号的铜管乐器，但具有较高的音度和柔美的声音来源：词友

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。