272. The introduction of adcance agronomic techniques has contributed greatly to the development of agriculture , as indicated by statistics showing increased output in each of the past five years .
數據顯示在過去的五年中，每一年的`產量都有提高，這表明發達的農業技術的引入對農業發展起到了很大的作用。
273. While it may appear that the gap between rich and poor people is narrowing somewhat , recently released evidence suggests that the opposite is true .
貧富之間的差距看似有一定的縮小，但是最近發佈的證據表明事實正好相反。
274. While attaining world peace remains within the realm of possibility , the prevailing trend revolves around regional conflicts and internal strife in many countries .
獲得世界和平是有可能的，但是普遍的趨勢是存在地區衝突和許多國家內部的鬥爭。
275. Although statistics are quite often far less reliable than one might wish , other reliable information allows one to closely approximate industrial output figures .
儘管數據經常比人們希望的不可靠得多，但是，其他可靠的信息使人們能得到接近工業產量的數字。
276. Although random sampling used for many surveys fails to cover large segments of the population , the procedure nonetheless offers insight into voting and consumption patterns .
