For all poplar clones, annual growth rhythm accorded with "S" curve both in seedling height and ground diameter.
地径和苗高年生长节律表现为慢-快-慢的“S”型生长规律。
The variance analysis shows there is extreme significant difference in seedling height, ground diameter, branching height, freeze injury among provenances;
方差分析表明，樟树苗期种源间在苗高、地径、分枝高、冻害上有极显著差异；
Acacia dealbata and Alnus cremastogyne were selected as the species with quite fast growth on 3 indexes of tree height, ground diameter and crown mean width.
通过各树种在该立地类型上生长曲线的比较，评选出圣诞树、水冬瓜在3个生长因子上的生长速度最快。
The channel is only a few centimeters in diameter, but that is wide enough for electrons to follow the channel to the ground in the visible form of a flash of lightning.
这个通道的直径只有几厘米，但它的宽度足以让电子以闪电这样看得到的形式随着通道到达地面。
Nestled among the branches, up off the ground, there’s a nine-foot-diameter hardwood floor and groovy round mattress inside.
它位于数的枝干之间，地面之上，里面有一个直径九英寸的硬木板和一个绝妙的圆形床垫。
A ground receiving station a mile in diameter could deliver about 1,000 megawatts — enough to power on average about one million U.S. homes.
直径1英里的地面接收站可以提供约1,000兆瓦电力，足以供应平均约100万户美国家庭的使用。
A ground receiving station a mile in diameter could deliver about 1, 000 megawatts — enough to power on average about one million U.S. homes.
直径1英里的地面接收站可以提供约1,000兆瓦电力，足以供应平均约100万户美国家庭的使用。
The large diameter super wide quality rubber wheel makes the user's ground effectively protected, and increases the friction of the brake.
大直径超宽优质橡胶车轮使得用户地面得到有效保护的同时，增大了制动的摩擦力。
Large diameter ultra wide quality rubber wheel allows the user to obtain the effective protection of the ground at the same time, the lift increases the brake friction.
大直径超宽优质橡胶车轮使得用户地面得到有效保护的同时，升降机增大了制动的摩擦力。
The primary mirror is 80 cm in diameter, a respectable size even for an observatory on the ground.
主镜的直径为80厘米，这一口径即使在地面天文台也是很可观的。
Guide Shafts: Hardened ground and polished, oversize diameter for load support and rigidity.
指南轴：硬化地面和抛光，负荷过大的支持和刚性直径。
With the increase of degradation, the diameter of tiller node increased, while the changes of its height apart from above ground were not obvious.
高山嵩草分蘖节直径伴随着退化程度的加大有增加的趋势，分蘖节距离地面的高度变化不明显。
The diameter of the working table is above 500mm and the grinder is furnished with a controller of constant cutting for a consistent quality of the ground surface.
工作台直径500毫米以上，机床还具有恒速切削装置（确保工件不同直径线速趋于一致），可获得被磨表面质量一致性。
Large diameter GRP sand pipe used in Changjiang Water Diversion Project (III) is paved for the first time in the soft ground.
长江引水三期工程采用大口径玻璃钢夹砂管，是首次在软土地基上敷设。
When the aperture diameter of an optical system is fixed with the same orbit height, the resolution of ground objects can be improved by increasing the focal length.
当光学系统口径一定时，在相同的轨道高度条件下，增大焦距可以提高地面分辨率，增大系统的视场角可以扩大对地面的覆盖宽度。
In the case of ground reflection, a monopole with finite diameter is studied by method of moment (mom).
在考虑地面反射的条件下，利用矩量法(MoM)研究有限直径单极天线问题。
However, it is very unpopular for this kind of bifurcation to be laid above the ground surface, especially in the case of large diameter and high water head.
但布置在地面上的明式月牙肋钢岔管尚不多见，特别是当钢岔管承受的水头和直径较大时。
Every 40 or 50 years, wildfires burn the bushes down to the ground, and new shoots can only re-sprout from within the diameter of the previous bush.
每40或50年，野火烧着了灌木，使它们落到了地面，新发出来的只能在先前灌木的直径范围内重新生长。
Car load Village ground, many large and small holes, some holes more than 20 meters in diameter.
车荷村地面现在出现了许多个大大小小的坑洞，有些坑洞直径达20多米。
Previous research in this area has shown that, in general, above-ground drainage systems benefit from a reduction in pipe diameter to improve drain self-cleansing.
该领域过去的研究表明，一般说来，地面以上的排水系统能通过减小管道直径而受益，从而改进排水的自清理。
The underground structure gradually forms by compressing a serious of great diameter steel pipes into the ground used as a foundation along the edge of the structure.
新管幕工法是我国引进的一种新型地下结构暗挖工法，该工法以沿结构边线顶进大直径钢管为基础，逐步形成大断面地下结构。
As a rule, the outside diameter of the outer ring is ground spherically, so the ring can align itself in a suitably designed sheet-steel or cast-iron housing if the beating locations are misaligned.
按照规定，外圈的外径是，所以在轴承错位的时候能够自调以能够配合一个设计合理的钢板或铸铁钢架。
The sphere at the top has a diameter of 45 meters and is 263 meters above ground.
该领域在顶部有一个直径为45米和263米以上的地面。
Shaft: The pump shaft is made of a high grade stainless steel, ground and polished, and is of a large diameter designed for high torque.
传动轴：泵传动轴是由高等级不锈钢制成，平整光滑，直径大，适用于扭矩大的情况。
A modified three-dimensional plastic limit analysis method is proposed for lateral bearing capacity of the large-diameter pipe pile in the inhomogeneous and anisotropic soft ground.
对于非均质各向异性软土地基上管桩基础的承载力，基于塑性极限分析理论考虑软土强度的非均质与各向异性效应，提出了一种改进的三维极限分析上限解法。
The result was that, even though the decision involved a number of untested changes, Edison agreed to hide the one inch diameter cable at least 2 feet below ground.
工结果，尽管含有一些未经测试的改动，爱迪生还是同意将直径一寸的电缆埋在地下至少两英尺处。
The result was that, even though the decision involved a number of untested changes, Edison agreed to hide the one inch diameter cable at least 2 feet below ground.
工结果，尽管含有一些未经测试的改动，爱迪生还是同意将直径一寸的电缆埋在地下至少两英尺处。
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