993
In this study , a virtual binocular vision sensing system is designed to measure the layer width and torch height from top layer simultaneously .
 enabling technology: virtual binocular vision sensing; engineering feature: designed; process parameter: layer; process parameter: layer
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 enabling technology: virtual binocular vision sensing; engineering feature: designed; process parameter: layer; process parameter: layer