Light from the laser goes through the optical circulator, and is divided into the sample and reference arm by the fiber coupler.
激光器发出的光通过光环行器，被光纤耦合器分成样品臂和参考臂。Pushchairs and walking aids must be X-ray screened, and only airport-provided wheelchair may pass through the screening point.
折叠式婴儿推车和助行器须经X光扫描，只有机场提供的轮椅才可以通过安检。The parameter can be a complex object (in parts without programming a Serializabler (Marshalling) or Deserializabler (Unmarshalling)).
其参数可以是一个复杂的对象（不需要编写串行器（数据编制）或者反串行器（数据编出）的部分）。the hallways use ramps, not steps, and prisoners are allowed to use walkers if they need them .
在尾道监狱、走廊采用斜坡而不是台阶，如果犯人们需要的话，他们就可以许可使用助行器。Back your walker up until you feel the chair touching the back of your legs.
后退助行器直至感觉到腿的后方接触到座椅。If the nurses noticed that the wheelchair and walker were not where they had left them, they weren't saying anything.
假如护士们发现轮椅和助行器换地方了，他们也不会说什么。Using walking aid appliance and orthosis on walking training were common methods in the field of rehabilitation medicine.
使用助行器和矫形器进行步行训练是康复医学的常用方法。Keep the passageway clear of unnecessary items to allow enough space for turning and use of walking aid.
通道须保持畅通，让患者有足够空间转身或使用助行器。People with significant problems with their legs may need to use a walker.
当下肢的问题严重时，可能需要使用助行器。