| 1. | The cultivated soybean is an erect, bushy annual plant of great morphological diversity .
栽培大豆是一种直立、丛生、形态变化很大的一年生植物。 |
| 2. | My garden is filled with annual plants
我的园子里长满了一年生植物。 |
| 3. | Winter annual plant
冬性一年生植物 |
| 4. | A prin cipal reason was that most trees , unlike annual plants , cannot readily be propagated from cuttings
一个主要的原因就是不像一年生植物，大多数林木经过砍伐之后，不能马上繁殖。 |
| 5. | Trees as well as 2 . 7 million flowering shrubs and annual plants for these venues and carried out landscape improvement projects for 30 hectares of park land and roadside amenity areas . hong kong flower show
年内，该署在辖下场地种植了六万棵树木及270万株显花灌木和年生植物，并为30公顷公园用地和路旁市容地带进行园景改善工程。 |
| 6. | The perennial vegetation is expected to a . ordosica dominated and h . scoparium stably co - existed , together with an annual plant population of e . poaeoides and b . dasyphylla , which is greatly fluctuated with annual precipitation pattern
其将与因年际间降水量及其分布差异引起的种群密度等特征波动的一年生草本小画眉草和雾冰藜种群长期共存。 |
| 7. | The reproductive characteristics and population structure of artemisia ordosica , hedysantm scoparium , caragana korshinskii and the reproductive characteristics of annual plants eragrostis poaeoides and bassia dasyphylla were observed in shapotou artificial revegetation area . stability of the artificial vegetation was appraised from the views of its persistence and variability under local natural condition . the study showed that : the artificial - natural vegetation built with sandbreaks and plants is stable in shapotou area
通过对沙坡头人工固沙植被区主要建植种群柠条( caraganakorshinskii ) 、花棒( hedysarumscoparium )和油蒿( artemisiaordosica )的繁殖特性及种群结构的研究，以及自然侵入的一年生草本植物小画眉草( eragrostispoaeoides )和雾冰藜( bassiadasyphylla )繁殖特性的研究，探讨了在植被的持久性和变异性，分析评价了主要受恶劣环境压力下的人工固沙区植被的稳定性。 |
| 8. | Vegetation dynamics and soil characteristics of different period abandoned land was conducted in typical steppe at xilinguole league and meadow steppe at hulunbeier league , inner mongolia . the results showed : the function community of annual plants , perennial rhizornatous grasses and perennial rosette grasses were appeared at different succession stage of abandoned land in typical steppe and meadow steppe
本试验分别在内蒙古锡林郭勒盟典型草原带和呼伦贝尔盟草甸草原带对不同撂荒年限的撂荒地植被动态及土壤特性进行了研究，目的是探讨草原区撂荒地植被演替的规律，为撂荒地植被的重建提供理论依据。 |
| 9. | The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes , revealing that in different planting modes their densities , heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a . ordosica annually grew in a s - shaped cure and the young shoots of c . korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c . korshinskii and a . ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a . ordoska appeared to have obviously lower coverage and biomass that the other three quadrats
摘要对腾格里沙漠东南缘2种人工植被柠条和油篙在4种配置方式下地上部分的生长动态进行了研究，结果表明：不同配置方式下它们的密度、高度、冠幅和生物量基本不变或略微呈下降趋势；油篙新梢的年生长动态呈s型曲线，柠条新梢春季生长速度较快， 7月份以后生长速度缓慢或基本停止生长；柠条、油篙地上生物量和叶面积指数的年变化均表现为双峰型， 4种配置方式下共有8种1年生植物人侵，并具有较高的植被盖度；同其它3个样地相比，纯油篙样地1年生植物的密度、盖度和生物量明显偏低。 |
