Noun:

1. a standard procedure that is followed mindlessly;

   "the union's support had been in lockstep for years"
   

2. a manner of marching in file in which each person's leg moves with and behind the corresponding leg of the person ahead;

   "the prisoner's ankles were so chained together that they could only march in lockstep"
   

Lockien.洛基lockn.锁；水闸；一缕头发；一簇；一束v.固定；锁(住)；抓牢；过闸lock-in technique锁相放大lock-servo system锁相伺服系统lock-on digitizer跟踪数字化仪lock-chamber wall闸室墙lock in a dead heat处于难分伯仲的胶着状态lock-up agreement锁定协议lockage manoeuvring过船闸操纵lockup cutoff valve锁止切断阀lock-in component锁合组件locking-type plug锁式插头,固定插头

1. Coherence is a unique property of quantum mechanics that allows laser photons to march in lockstep and atoms to be in two states at once.
   同调性是量子力学的特性之一，它能使光子步调一致，让原子同时处于两种状态。