群柱

The translation group symmetry of phononic crystal is changed by changing the size of adjacent rods.

通过改变两相邻的柱体底面边长之比来改变声子晶体的平移群对称性。

The results of condition tests of higher column leaching of uranium ore are summarized in a vein-group-type uranium deposit.

总结了某群脉状铀矿床原地爆破浸出采铀矿石高柱浸出条件试验结果。

Several models of cylindricity error evaluation,such as MZC,LSC,MCC and MIC,were given,a constriction factor model of the Particle Swarm Optimization was introduced.

建立了圆柱度误差评价的最小区域法、最小二乘法、最小外接圆柱法和最大内接圆柱法的数学模型，将一种含收敛因子的粒子群优化算法应用于圆柱度误差的目标函数的优化问题。

A very complicated mantle mineral group including the native iron and wustite assemblage was recently discovered in chromitites from the mantle harzburgite of Luobusa ophiolite, Tibet.

笔者在西藏蛇绿岩的铬铁矿石中发现了十分复杂的地幔矿物群，其中包括自然铁-方铁矿的共生组合，它们被认为是外地核和下地幔的物质通过地幔柱作用携带到上地幔的。

The promeristem is consisted of three groups of initial cells, which have typical cytological characteristics of meristem cells. The primary meristem is composed of calyptrogens, primordial epidermises, periblems and pleromes. Both the calyptrogens and the primordial epidermises initiate from the same layer of initial cells.

原分生组织由3群原始细胞组成，其细胞具有典型分生组织的细胞学特征；初生分生组织包括根冠原、表皮原、皮层原和中柱原，其中根冠原和表皮原具有相同的起源。

Stamens 8 or 10, distinct, alternately unequal in length; filaments ± abruptly dilated toward base,± straight or geniculate. Disk columnar, conic, bell-shaped, or ± hourglass-shaped. Gynoecium (2-)4- or 5-loculed, syncarpous; radial walls of locules straight; ovules 2 per locule; style 0.5-2.5 × as long as ovary, deciduous in fruit.

雄蕊8或10，离生，交替不等长；花丝在基部多少突然膨大，多少直立或膝曲；花盘柱状，圆锥状，铃状，或多少沙漏状；雌蕊群(2-)4或5室，合心皮；子房室径壁直；每室胚珠2；花柱0.5-2.5 *等长于子房，在果期落叶。

Country of , The Yimeng mountains stand like the Great Wall buttressing the pillars of the People's Republic of China .

连绵不断的崮群更是一座万里长城，托起共和国的柱梁。

And flocks shall lie down in the midst of her, all the beasts of the nations: both the cormorant and the bittern shall lodge in the upper lintels of it; their voice shall sing in the windows; desolation shall be in the thresholds: for he shall uncover the cedar work.

2：14 群畜，就是各国的走兽必卧在其中。鹈鹕和箭猪要宿在柱顶上在窗户内有呜叫的声音。门槛都必毁坏。香柏木已经露出。

The red-room was a square chamber, very seldom slept in, I might say never, indeed, unless when a chance influx of visitors at Gateshead Hall rendered it necessary to turn to account all the accommodation it contained: yet it was one of the largest and stateliest chambers in the mansion.

其实也许可以说，从来没有。除非盖茨黑德府上偶而拥进一大群客人时，才有必要动用全部房间。但府里的卧室，数它最宽敞、最堂皇了。—张红木床赫然立于房间正中，粗大的床柱上，罩着深红色锦缎帐幔，活像一个帐篷。

On a level spot in the centre was a company of odd-looking personages playing at nine-pins.

在中央一块平地上，有群形容古怪的人正在玩九柱戏。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。