弦

Www.jnbiao.com 13552553698 The ancestry of the piano can be traced to the early keyboard instruments of the fifteenth and sixteenth centuries -- the spinet, the dulcimer, and the virginal.

钢琴 钢琴的家系可以追溯至 15 至 16 世纪早期的键盘乐器，包括小型拨弦琴，洋琴和维金娜琴。 17 世纪时风琴，敲弦琴和拨弦琴成为键盘乐器类的主要成员。

This theory is also applied in the researches of knotlike cosmic strings in early universe and the knotlike vortex lines in spinor Bose-Einstein condensates.

在本文中应用这一纽结理论作者还研究了早期宇宙中的纽结状宇宙弦和旋量玻色-爱因斯坦凝聚体中的纽结状涡旋线。

After a brief overview of particle physics and a survey of relativistic wave equations and Lagrangian methods,the quantum theory of scalar and spinor fields, and then of gauge fields,is developed The emphasis throughout is on functional methods,which have played a large part in modern field theory.

近来，一个新的主题正崭露头角，这第三个主题与分数化、拓扑／量子序、弦网凝聚有关，也和新的物质态以及其中显现的规范玻色子和费米子相关。

The ring on the spring string rings duing spring time.

弹簧弦上的环在春天鸣响。

The ring on the spring string rings during springtime .

弹簧弦上的环在春天鸣响。

The ring on the spring string rings within springtime.

弹簧弦上的环在春天鸣响。

The ring on the spring string rings during springtime.

弦上的环在春天鸣响。

The ring on the spring string r ings during springtime.

弹簧弦上的环在春天鸣响。

The ring on the spring stringrings during springtime.

弹簧弦上的环在春天鸣响。

The ring on the spring s tring rings during springtim e.

弹簧弦上的环在春天鸣响。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。