This is a hormone that regulates the biological clock .
褪黑激素是一种调节生物钟的激素。
The biological differences produce different sexual behaviors and strategies .
生物学的不同产生了不同的性行为和策略。
They say the high degree of order is more characteristic of biological , rather than purely physical processes .
他们声称，高度的秩序更符合生物的特性，而不是纯粹的物理过程。
These various beams have a wide range of applications in areas including magnetism , superconductivity , materials engineering and biological substances .
这些不同的原子束有广泛地用途，包括磁学、超导电性学、材料工程学以及生物制品学。
The technology for manipulating biological organisms is advancing rapidly .
