请注意使用了先前初始化的变量以及指示用于内存初始化的GFP屏蔽第四个参数。
Note that you use your previously initialized variables along with a fourth parameter that indicates the GFP mask for memory initialization.
它采用四极枪结构，两个栅极，第一栅极采用双层同心球面网，第二栅极外还添加了屏蔽筒。
The first grate has double spherical nets with the same center and outside the second one there is a shield cylinder to make electron congregate.
大坝安全监测振弦式监测仪器一般采用四芯屏蔽电缆进行信号的输入和输出。
The four-core shielded cable is generally used for the vibrating monitoring apparatus to input and output signals in dam safety monitoring.
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