Positioning the stones in a pleasing overall pattern will require considerable trial and error because each stone has a different shape.
Only one or a few genes are spliced into a cell, and considerable trial and error is required before a gene functions properly in its new host.
After considerable trial and error and some uncooperative weather, Mr. Wilcox was finally able, in July, to shoot about 15 hours' worth of one day in the life of New York City.
Building on the Directory's conscription law of September 1798, the Napoleonic regime, after considerable trial and error, had created the mechanisms for imposing on the citizens of France and the annexed territories the distasteful obligation of military service.
She painted it and, through considerable trial and error, worked herself back into the fine arts career that had been left off 36 years before.
Although I have learned, slowly, by considerable trial and error, that despair waits inevitably for me every time I ask this question, still I can feel the itch to ask it again.
In addition, the scaling up of batch procedures for industrial-scale production needs considerable trial and error for process optimization.
Also, you need to choose a lawyer who has considerable trial experience and who is good at plea bargains if you're to succeed.
Fourthly, information bias might have been considerable because trials on adenoidectomy, as most surgical trials, cannot be performed in a true double blind fashion.
After considerable personal trials he arrived in June 1951 in Monterey, California to teach at the Army Language School.
