树干的

It seems sequoias just get so big that the roots can't support them anymore.

随着红杉的生长，其根部难以承受巨大的树干，它们就会最终倒下。

The results show that,in the natural conditions,the intensity of sap flow of Populus populars was 0.088 L·cm -2 ·d -1 .The velocity of sap flow at different depths below the cambium showed the same temporal changes of Populus populars .

结果表明，在正常生长状态下，小美旱杨树干单位面积液流通量为 0 。0 88L·cm- 2· d- 1；形成层以下不同深度的树液流速具有相同的日变化趋势，在中午前后各深度流速值均达到最大，各深度流速差值亦达到最大。

The outer surface of yew tree leaf is covered by a thick cuticle and epicuticular in the top.

压变木是木本裸子植物的枝条，或倾斜和卷曲树干下部的木材。

Trunk cylindric, 1-7 m; bark white-gray, gray, or brown, scaly or raised; pollen cones (25-)30-45 × 8-15 cm, microsporophylls 3.5-6 cm; megasporophylls 13-20 cm.

圆筒状的树干，1-7米；树皮白色灰色，灰色，或棕色，有鳞的或提高；雄球花( 25-)30-45 * 8-15 厘米，小孢子叶-6厘米；大孢子叶13-20 厘米 13

While we were pushing up on new found track, the right front wheel hit a cut down tree trunk and made a 15 centimeter hole in the tire.

虽然我们已开始推动的轨道上发现了新的右前轮击中了树干削减，并在轮胎一15厘米洞。

Give up the flat stream is proud to return to the sea; yellow leaf tree to give up in order to look forward to the verdant spring.

小溪放弃平坦，是为了回归大海的豪迈；黄叶放弃树干，是为了期待春天的葱茏。

There can be no doubt that these olive trees, with their hollow, gnarled trunks date back considerably.

这些橄榄树，从它们凹陷变空且多节的树干，无庸置疑必经历相当的岁月了。

His head was lying on a bulging root close to the stem: his feet reached to a small sack or bag half full of acorns.

他把头枕在树干边凸起的根块上，脚伸向已装满一半橡果的小包或小袋。

Notice: root ball, 8-10 times of the trunk diameter.

注意：土球，树干径的8～10倍。高度土球直径的70％。

A five-stemmed camphor tree which, according to legend, dated from the time of the Liang Dynasty 502-555 C.E. and stood near by.

附近还有一颗传说是在梁朝（502-505）种下的樟树，现在的树干需要5个人合抱。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了