11. Some feminist leaders find this sentiment perturbing . 12. The comparison became even more perturbing when I looked at the Times'Valley edition. 13. I was afraid of perturbing the fantasies. 14. His answer shed light on the incident and was perturbing , to say the least. 15. Other tools for perturbing their genetic makeup are chicken embryonic stem cells and viral vectors. 16. The tendency of a perturbing signal to grow makes modulation instability a form of amplification. 17. The French literature of the time arose in him a perturbing spirit of artistic renovation. 18. But it was a little perturbing . 19. Next, the system is encouraged to remain on that orbit by perturbing the appropriate parameter. 20. Subsequent observations revealed substantial deviations from the tables, leading Bouvard to hypothesize some perturbing body.