| long-term trend (The prevailing tendency or general direction expected for some observed value over a lengthy and extended period of time, often determined by studying and analyzing statistical data) |
توجه طويل الأجل |
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| longitude (Distance in degrees east or west of the prime meridian at 0° measured by the angle between the plane of the prime meridian and that of the meridian through the point in question, or by the corresponding time difference) |
خط الطول |
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| lorry (A large motor vehicle designed to carry heavy loads, especially one with a flat platform) |
لوري - شاحنة |
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| loss (The result of a business operation where overhead costs are greater than the receipts or income) |
فَقد |
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| loss of biotope (Destruction of biotopes produced by environmental degradation which in turn is caused by air- or water-borne pollution) |
فقد الموطن الحيوي |
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| loudness (The magnitude of the physiological sensation produced by a sound, which varies directly with the physical intensity of sound but also depends on frequency of sound and waveform) |
درجة اتفاع الصوت |
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| low energy footprint food system |
نظام غذائي ذو بصمة منخفضة من حيث الطاقة |
|
| low flow (Phase of lowest level of a water course) |
التحاريق - البُراض - أدنى مستوى للماء |
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| low-cost housing (Residences built at minimal expense and designed to keep the rental rate or price of purchase affordable for persons with limited means, usually determined by an annual income level set below the local median) |
إسكان منخفض التكلفة |
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| low-level flight (Flying at low altitude) |
طيران على ارتفاع منخفض |
|
| low-level technology (Any relatively unsophisticated technical equipment or method with an amplitude or functionality below what is available in a similar or comparable system) |
تكنولوجيا منخفضة المستوى |
|
| Lower House (The body of a bicameral legislature composed of representatives elected by the general populace and organized into electorates or districts, each comprising an equal number of citizens) |
مجلس النواب |
|
| lower risk |
خطر خفيف |
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| lower risk species (Animals, birds, fish, plants or other living organisms that have been deemed as not being in danger of extinction; IUCN) |
أنواع غير معرضة لمخاطر عالية |
|
| lubricant (A substance used to reduce friction between parts or objects in relative motion) |
مزلق |
|
| luminosity (The functional relationship between stellar magnitude and the number and distribution of stars of each magnitude interval. Also known as relative luminosity factor) |
السطوع |
|
| luminous pollution |
تلوث ضوئي |
|
| luminous pollution |
تلوث فضائي |
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| lye (The alkaline solution that is obtained from the leaching of wood ashes) |
غسول |
|
| lymphatic system (A system of vessels and nodes conveying lymph in the vertebrate body, beginning with capillaries in tissue spaces and eventually forming the thoracic ducts which empty in the subclavian veins) |
الجهاز اللمفاوي |
|