calling

• The problem calls for immediate solution .
  这个问题非得马上解决不可。
• "spring upward," he called back to me .
  “跑上前来吧，”他朝背后说。
• Even when i call , he receives unwillingly .
  他也是很不情愿地接待我。
• The ideal n is called the nitradical of ring a .
  理想N叫作环A的小根。
• Would you call me a good christian ?
  我还够得上是一个虔诚的基督徒吗？
• I had to call on intuition plus luck .
  我只有依靠我的直觉和运气了。
• These energypackets are called photons .
  这些具有能量的微粒叫光子。
• We call this process organic evolution .
  我们把这种过程称为生物进化。
• The cross ratio he called anharmonic ratio .
  他把交比叫作非调和比。
• Lines of equal latitude are called parallels .
  相等纬度的连线叫纬圈。