The construction team embraced historic materials and techniques, and the Horten 2-29 replica, like the original, is made largely of wood and bonded with glue and nails.
Three experimental techniques for detecting matrix cracking evolution in composite laminates are investigated: acoustic emission detection, ultrasonic wave C-scan, and replica tape record.
介绍探测复合材料层板基体裂纹的三种实验技术：声波发射探测，超声波c扫描和复制带记录。
3
The extraction replica key techniques for TEM sample preparation of low alloying high strength steels were introduced in detail.