| 1. | Thinning and shading experiments have confirmed this .
疏伐和遮光试验已证实这种情况。 |
| 2. | The trees may be cut as a part of a silvicultural thinning .
这些树木可以被砍掉作为造林疏伐的一部分。 |
| 3. | The more rigorous the thinning, the greater the possible genetic gain .
疏伐越是严格，就越可能有较大的遗传增益。 |
| 4. | In fig. 2 the solid line represents an idealized version of the normal progression of an unthinned stand .
在图2中，实线代表一块未疏伐林地的正常发展的理想化形式。 |
| 5. | Average annual stand depletion
平均年疏伐度 |
| 6. | The study result indicated that thinning cost was determined mainly by location of forestland , the number of thinned trees and whether or not hauling logs from forest
研究结果显示，疏伐成本主要取决林地之地区别、是否搬出疏伐木以及搬出株数。 |
| 7. | A quantitative thinning cost model based on the empirical data was set up by multiple regression method , and it was used to estimate thinning costs under certain conditions
然后，应用多元?归分析法建立疏伐成本之计量模式，并用以推估不同状况下的疏伐成本。 |
| 8. | Logging and forest thinning are banned in natural forests protection area including community forests . non timber products utilization has been restricted in many ways
在天然森林保护区内，包括公有森林区，禁止砍伐和森林疏伐。对非木制产品的使用，已经通过多种途径进行了限制。 |
| 9. | The necessary conditions of forestland to be feasible for thinning are : the slope of forestland less than 25 % , the distance from logging road less than 600 meters , and keeping good stocking level after thinning 400 trees per hectare
林地坡度小于25 % ，距离林道600公尺以内，且每公顷疏伐400株后仍保有适当蓄积之人工林，实施疏伐作业应属可行。 |
