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- The average tree volume,height and diameter of 6 superior families were above 0.033 339 m3,11.31 cm,6.62 m respectively which had average genetic gains above 30%,9%,11%. These superior families could be used for seed orchard and vegetative propagation. 调查数据经过统计分析;从参试的家系中选出6个优良家系;其材积、胸径、树高平均值分别达到0.;033 339m3、11
- Compared with the family with the worst growing performance,the average tree height,DBH and individual volume of quality families increased by 12.60%~32.33%,31.385%~38.72% and 102.30%~235.77% respectively. 此7个优良家系;与最差家系相比较;其平均树高增加12.;60%25~32
- In the fine natural stands of fine provenance, 80 candidate trees were obtained through 1-4 comparison, with the average tree height 23.9m, the average DBH 72.66cm, the average volume 3.93m3, the average red-heart ratio 71.01%. 在福建省马尾松优良种源区内，用对比木法进行红心材优树选择。 共选出80株候选优树，平均树高23.;98m、平均带皮胸径72
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- As the car hit the tree he was snot out. 汽车扭在村上，他被猛地摔了出来。
- The average output of the factory is 20 cars a day. 该工厂的平均产量是每天20辆汽车。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- His income is well below the average. 他的收入大大低于平均水平。
- We fail one student per year on average. 我们平均每年有一个学生不及格。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- The car hit the tree with a sickening crash. 那辆汽车撞在树上发出让人难受的撞击声。
- An arrow whizzed past and stuck in a tree. 一支箭“飕”地一声飞过去，钉在一棵树上。
- Meals average out at 5 per head. 膳食平均每人5英镑。
- The squirrel ran up a tree and got out of my reach. 松鼠跑到树上去了，我逮不着。
- On average we receive five letters each day. 我们平均每天收到五封信。
- The workers saw off a limb from the tree. 工人从树上锯下了一根大树枝。
- Each household sold, on the average, two pigs. 平均每户交售了两口生猪。
- Our reps make on average six calls day. 我们的销售代表平均每天打六次电话。
- He is not made for climbing the tree of knowledge. 他不是生来适于攀登知识之树的。
- His work at school is below the average. 他的学业成绩在一般水平以下。
