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- Organic mulch in greenbelt 绿地有机覆盖
- Organic mulch contains nutrients for plants. 有机农地膜含有植被的营养成分。
- Organic mulch improves the condition of soil. 有机农地膜可以改善土壤环境。
- Better to wait untill the soil is warm, to use organic mulch . 等到土壤温暖后用有机薄膜更好。
- Better to wait until the soil is warm to use organic mulch. 最好等到土壤温度足够高了再用有机的遮盖物。
- Better to wait until the soil is warm to use or get organic mulch, when . 等土壤温度上升，可以使用有机护盖物时那是最好的。
- Black plastic mulch can help keep them warm.Better to wait until the soil is warm to use organic mulch. 黑色塑料的护盖物能帮助保温，在土壤开始回暖的时候使用有机护盖物是最好的时机。
- Daniel Glavin of NASA's Goddard Space Flight Center in Greenbelt, Md. 而我们发现的证据有助于解释生命分子为何都是左旋式同分异构体，从而支持了这一学说。
- The United States Department of Agriculture says it is easy to find organic mulch materials.Cut-up leaves and small pieces of tree barks can be used. 美国农业部说，有机覆盖物的原料是很容易找到的，树叶，树皮等都可以加以利用。
- An organic mulch is a mulch made of natural substances such as bark, wood chips, leaves, pine needles, or grass clippings. 有机类型的覆盖物，由自然界的有机产物制成，如树皮、木屑、叶片、松针或者草屑。
- The microshutters were designed, built and tested at NASA's Goddard Space Flight Center in Greenbelt, Md. 微开关在NASA戈达德宇航飞行中心设计、制造并接受测试。
- In 1959, the United States established the Goddard Space Flight Center in Greenbelt, Maryland, near Washington, D.C. 1959年，美国在马里兰州华盛顿特区附近的格林贝尔特成立了戈达德航天中心。
- The effect of straw and plastic film dual mulch in dry-cultivation of rice planting was studied. 我国覆膜稻栽培研究始于1996年，但迄今都为地膜单元覆盖。
- Amy Simon-Miller of NASA's Goddard Space Flight Center in Greenbelt, Md., says the magnitude of the impact is believed to be rare. 美宇航局戈达德空间站中心，艾米西蒙-米勒（位于马里兰的格林贝尔特），认为此次巨大的撞击是罕见的。
- Quality of landscape soil was assessed by analyzing physicochemistry property and nutrient status in greenbelt soils of urban areas in Chongqing City. 摘要文章通过对重庆市渝中区、沙坪坝区、江北区、南岸区等主城六区的道路、街旁绿地土壤养分、理化性状的测试分析，对园林土壤质量进行了综合评价。
- Abstract: The effect of straw and plastic film dual mulch in dry-cultivation of rice planting was studied. 文摘:我国覆膜稻栽培研究始于1996年，但迄今都为地膜单元覆盖。
- Climate scientists at NASA's Goddard Space Flight Center in Greenbelt, Maryland, outside Washington, say the Arctic Ocean could be mostly ice free in late summer 2013. 设在美国首都华盛顿近郊马里兰州格林拜特的美国航空及航天局戈达太空飞行中心的气候科学家说，到2013年夏末，北极的冰可能完全消失。
- Information will be stored on the spacecraft and radioed once a day to a collecting station in Alaska, then relayed to NASA's Goddard Space Flight Center in Greenbelt, Md. 这些信息将储存在太空船上，每天通过无线电将信息向阿拉斯加搜集站播放一次，然后中继到位于马里兰州格林贝特的美国宇航局戈达德太空飞行中心进行处理。
- Organic mulches attract insects, slugs, cutworms and the birds that eat them. 有机覆盖物可能会吸引昆虫、蛞蝓、毛虫以及吃这些动物的鸟类。
- In September researchers at the Goddard Space Flight Centre in Greenbelt, Maryland, part of America's space agency, NASA, told the authorities in Kenya that they had a problem. 9月份，位于马里兰州格林贝尔特，属于美国国家航空航天管理局一部分的戈达德宇宙飞行中心的研究人员告诉肯尼亚官员，他们有麻烦了。
