Mr. Miller said the remnants of the aircraft suggested extensive use of nonmetallic composite parts, which reflect less radar energy.
米勒说，飞机残骸表明飞机使用了大量非金属零件，这样会反射更少的雷达能量。
Despite the higher price tag, it sells 137 million CFLs, which use 75% less energy than incandescents.
尽管较高的价格，它售出1.37亿节能灯，它们比白炽灯节省75%的能源。
If you plan to use less energy, which part of your life will be the easiest to change? Which will be the most difficult?
如果你计划使用更少的能源，你生活的哪个部分是最容易改变的？这将是最困难的？
Because essentially no oxygen is available in our intestines, the beneficial bacteria that reside there tend to use fermentation, which is less efficient than respiration for obtaining energy.
因为在我们肠道中，是绝对的无氧环境，住在其中的有益细菌倾向于利用发酵，而发酵于获得能量而言，低效于呼吸。
These light bulbs, which use about 75 percent less energy than incandescent bulbs, have been around since the early 1980s.
这些灯泡，其中约百分之七十五使用较少的能源比白炽灯泡，已出现自1980年代初。
Freeze food and use a microwave to heat it, which USES less energy than cooking from scratch.
冷冻食品和使用微波炉加热，使用不到从头炊事能源。
If you plan to use less energy, which part of your life will be the easiest to change?
如果你计划使用更少的能源，你生活的哪个部分是最容易改变的？
The first method use less reagents and avoid the secondary pollution from silver salt and mercuric salt and chromium salt with short digestion time which reduce the energy.
试验过程试剂用量小，减少了银盐、汞盐、铬盐带来的二次污染问题；消解过程短，能有效降低能耗。
A survey that shows how much energy used in a home, which helps find ways to use less energy.
量测显示一个家庭使用多少的能源，可以帮助寻找出使用较少的能源。
A survey that shows how much energy used in a home, which helps find ways to use less energy.
量测显示一个家庭使用多少的能源，可以帮助寻找出使用较少的能源。
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