难以发现的
1.The Air Force theorized that it would be even more efficient to develop aircraft that would be relatively invisible to enemy radar.
3.This organic process,often leading to moments of extraordinary self - discovery,is of an indescribable fascination.
5.They do have plants to scrutinize photographs more closely in an effort to spot instances of fraud, but that policy change had already been decided when the scandal struck.
6.The Bangladesh Red Crescent Society says the death toll could reach 10-thousand as more victims are discovered in hard-to-reach areas.
7.What through the high price of provisions and what through occasional sickness, the family found it very difficult to live on the income.
8.2. Analyzed the current schemes validating illumination preprocessing approaches and found they have limitations and cannot validate these preprocessing approaches effectively. Based on CMU-PIE, FERET, CAS-PEAL face databases, we proposed a more general scheme to validate illumination preprocessing approaches.
9.A credit-information-collecting agency shall, when the enterprise whose credit standing is collected disagrees on the information relating to its credit standing and provides relevant material, conduct a verification; in case that the information collected is really wrong, a correction shall be made without delay; in case that the information is correct, the enterprise whose credit standing is collected shall be notified; in case that the verification is difficult to conduct, the credit-information-collecting agency shall handle cautiously in accordance with the principle of objectiveness.
