Unfortunately , structural limitations and cost constraints precluded the use of this approach and a more conventional roof construction was adopted .
不幸的是，结构的局限性和成本的限制妨碍了这个方法的应用，于是采取了另一个更传统的屋面构造方式。
Private telephone lines operated on a system that precluded making or receiving international calls ; international phone lines were available only under restricted circumstances .
私人电话线所连接的系统无法拨打或接听国际电话；国际电话线路只有在受到限制的场合下才会接通。
While china continues to lambaste nato for its actions against libya and to express its wish for the peaceful resolution of the conflict , beijing 's strong language has not precluded it to meet regularly with the transitional national council ( tnc ) , the official anti-qaddafi-led rebel government .
The web app only superficially resembles a native one , and I suspect app store reviewers would 've greeted the low-res scans with underwhelming scores had apple 's family values not precluded the possibility entirely .
