A two-sphere system with a two-lens zero-power corrector placed behind the secondary mirror was discussed.
讨论了双贴合无光焦度校正板放在次镜后的双反射球面系统。
2
In allusion to the current integral action in zero-power control of hybrid suspension system with electro and permanent magnets, the negative effect was researched.
针对电磁-永磁混合磁悬浮系统零功率控制中的电流积分问题，开展电流积分负作用的研究。
3
If a home generates more power than it uses, the bill is zero.