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- Y系、Bi系氧化物超导体 Y series.Bi series oxide superconductors
- 银或银合金包套铋系氧化物超导体直流临界电流的测定 The DC critical current measurement for Ag or Ag-alloy sheathed bismuthal oxide superconductor
- Bi系氧化物薄膜 Bi-based oxide thin film
- Bi系高温超导单芯线材拉拔工艺的数值模拟 Numerical Simulation of Drawing Process for Bi Superconducting Single-filament Tape
- 氧化物超导体Ba(Pb_(1-x)Bi_x)O_3单晶的生长及其低温超导现象 Growth of the Single Crystal of Oxide Superconductor Ba(Pb_(1-x)Bix)O_3 and Its Superconducting Phenomenon at Low Temperature
- 报系 syndicate
- 白垩系 cretaceous
- 她将围裙系在腰间。 She tied an apron around her waist.
- 奥陶系 Ordovician
- 系部 pastern (猪)
- 他弯腰系好了鞋带。 He bent and laced up his shoes.
- 这位法律系学生写了一篇有关犯罪与环境两者关系的论文。 The law student write a discourse on the relationship between crime and environment.
- 把鞋带系好！ Do up your shoes!
- 他打个结把两根绳子系在一起。 He tied the two ropes together with a knot.
- 轮系 wheel train
- 他系住马,走进了小酒店。 He tied up the horse and went into the inn.
- 芭芭内鸭系由野鸭与普通鸭杂交而成。 A barbary duck is a cross between a wild duck and an ordinary duck.
- 他出身于一个古老的家系。 He descended from an ancient stem.
- 他关上箱子并系牢带子。 He shut the case and fastened the straps.
- 飞行员坐进了自己的座椅并系好皮带。 The pilot strapped into his seat.
