Great directors were working there, for the most part under tight constraints.
Yet even as its duties grow, the group operates under tight constraints that reflect the special worries migration can arouse.
Under tight constraints on cost, during unmanned subscale demonstration flight testing of the novel Blended-Wing-Body (BWB) configurations by our research team, safety was a challenging concern.
To exercise effective leadership in this difficult environment, officials in government and nonprofit organizations need knowledge and skills to develop creative solutions under tight constraints and increased public scrutiny.
(But the depiction of Lawrence, who has become a rustic sad sack keeping his bitterness under tight constraint, withdrawn from his friends and from society at large, veers furthest from parody into caricature).
Dr. Harding concluded that the gene was kept under tight constraint in Africa, presumably because any change in its protein increased vulnerability to the sun's ultraviolet light, and was fatal to its owner.
The Senate majority leader, Tom Daschle, Democrat of South Dakota, said: "We're working under very tight constraints.
The first is that our own intelligence is an evolved biological solution to a kind of optimization problem, operating under very tight constraints of time, energy, raw materials, historical starting point and no doubt many other factors.
"China was under very tight constraints up until the beginning of 2005," said Pietra Rivoli, a professor of finance and international business at Georgetown University, and author of the book The Travels of a T-Shirt in the Global Economy.
But sometimes there are choices even within tight constraints.
It leads to tight constraints on the amplitude of mass fluctuations and powerful, complementary constraints on dark energy.
