optical protractor level
光学测角水准器，光学象限仪

• canonial
• canonical assemblage
• canonical equation
• canonical function
• canonical matrix
• canonical transformation
• canonic form
• canoy spectral refectance
• cantilever
• cantilever tube
• cap
• capability
• capacitance
• capacitance bridge
• capacitance strain transducer
• capacitive reactance
• capacitivity
• capacitor
• capacity
• capatance micrometer
• capativie coupling amplifier
• capillary
• capillary mercury lamp
• capillary quartz cell
• capillary tube