bifilar helix的用法和样例：
例句
- For two complementary strands of nucleotides, the free energy is minimized when they pair up to form a double helix.
就两股互补的核苷酸分子而言，配对形成一条双股螺旋时的自由能会最低。 - It provided strong evidence of the structure of D-N-A as a double helix.
它为脱氧核糖核酸结构呈双螺旋线提供了有力证据。 - Many of the databases along the double helix were shut down, closed, so that you began to function with very little data.
许多数据库是顺着双螺旋线停止运行，关闭，让你们开始运行很少的数据。
