查询词典 BC

Floor coverings made of plaited rushes date from the 5th or 4th millennium BC.

&用织成辫的灯芯草做成的地板覆盖物可追溯到公元前5，000～公元前4，000年。&

Selecting three typical pseudobinary eutectic systems, Al-Mg〓Si, Al-Mg〓Ge and Ge-AlSb, as the basic modelling system, this paper studied the regularity of composition selection and growth ect.

本文以恒温度梯度热分析、金相分析、定向凝固及熔体X射线衍射分析为主要手段，以Al-Mg〓Si、Al-Mg〓Ge和Ge-AlSb三个伪二元共晶体系作为基本的模拟系，对A-BC〓型伪二元定向共晶复合体的成分选择与生长等规律作了较为系统的研究。

The structure of the MIGmust be carefully selected, as the tiny change on it will affect beam performance highly, and beam current will fluctuate punily.

减小Bc可以增大电子注的速度比，还可以减小电子注的横向速度零散，但是当电子注的速度比增大到一定值时，电子注的性能就会变得不太稳定。

At about 2000 BC they arrived Britain from the areas now know as Holland and Rhineland.

约公元前2000年，他们从现在的荷兰和莱茵兰地区来

At about 2000 BC the Beaker Folk arrived from the areas now known as Holland and the Rhineland.

在约公元前2000年，宽口陶器人从现在繁荣荷兰和莱因兰地区进入英国。

At about 2000 BC the Beaker Folk arried from the areas now know as Holland and Rhineland.

约公元前2000年，从现在的荷兰和莱茵兰地区来了宽口陶器人。

Parthian or Sassanian Empire (550 BC- 642 AD), Afghanistan.

帕提亚或波斯萨珊帝国（公元前550年，642年），阿富汗。

Parthian or Sassanian Empire (550 BC- 642 AD).

帕提亚或波斯萨珊帝国（公元前550年，642年）。

Parthian or Sassanian Empire (550 BC- 642 AD).Found in Afghanistan.

帕提亚或波斯萨珊帝国（公元前550年，642年）。

The Seleucidan calendar, from 312 BC, placed the beginning of the year in the autumn; but it appears that the Palestinian Jews still reckoned from the spring and dated the Seleucidan era according to that reckoning see Schürer,"The Jewish People in the Time of Jesus Christ," 2d ed., Eng.

该Seleucidan日历，从公元前312 ，把今年年初在秋季；但现在看来，巴勒斯坦的犹太人仍然认为从春季和注明日期的Seleucidan时代根据这一推算（见Schürer ，&犹太人民在时间耶稣基督&的2D版。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。