| 1. | The optimum density is difficult to specify in terms of trees per acre .
很难定论究竟每英亩多少株树为最适密度。 |
| 2. | Cases are known where trioecy provides for an optimal mating system .
众所周知，单全异株为最适交配系统打下基础。 |
| 3. | Plantations of slender spindles are an example of such optimum density conditions .
细长纺锤形栽植就是这种最适密度条件下的一个例证。 |
| 4. | Cases are known where trioecy or, more generally, heteroecy, provides for an optimal mating system .
众所周知，单全异株，或者更通俗一些说，雌雄杂生为最适交配打下基础。 |
| 5. | Attention must be given to identifying the optimum pest population that will permit differentiation among genotypes .
要注意确定最适的害虫种群，使不同的遗传型能够辨别。 |
| 6. | The net result of those conflicting trends is to cause optimum family size to be greater for low than for high heritability .
这些矛盾引起的实际结果是遗传力低的比遗传力高的要求比较大的最适家系。 |
| 7. | It is a matter of the goldilocks phenomenon
全球暖化的问题与最适现象有关。 |
| 8. | Seeking the best match brand music for brand logo
寻找品牌标志最适配的品牌音乐 |
| 9. | What can you do to optimize your family situation
你能做什麽来使你家庭境况达到最适化？ |
| 10. | Determination of aspheric reference sphere by tri - point method
非球面最适球面的确定方法三点法 |
