下界

Under the conditions that the concrete expression of its singularities are not sloved,we discuss the bounded property of trajectories, separatrix configuration,nonexistence and existence of limit cycle.

对一类多分子反应模型x＝1－αx－xpyq，y＝βy（xpyq－1－1）进行定性分析，在第一象限奇点无法具体求出的条件下，讨论了轨线的有界性，分界线的位置关系以及极限环的存在性和不存在

METHODS:We report the case of a healthy pregnant woman, who developed a dense premacular subhyaloid haemorrhage, in the right eye following a normal spontaneous vaginal delivery. She was managed conservatively.

一健康孕妇在自然阴道分娩时，右眼底发生黄斑前玻璃体后界膜下出血，本文报道其保守治疗的效果。

The lower bound of the subrange must not be greater than the upper bound.

在指定子区域上限值时，上界值小于它的下限值。

Crosslegged under an umbrel umbershoot he thrones an Aztec logos, functioning on astral levels, their oversoul, mahamahatma.

在暗褐色华盖的遮阴下，他盘腿坐在宝座上；在星界发挥机能的阿兹特克族的逻各斯，他们的超灵，大我。

As for the air percussive rotary drilling, because of its advantages of high ROP, long bit life, light WOB, reduced wear of drill collar, large cuttings, low drilling cost, low formation damage and no lost circulation, it has gained acceptance.

空气冲击回转钻井在一些特定的地层和井眼条件下具有高机械钻速、长钻头寿命、小钻压、较轻钻具磨损、大岩屑、低钻井成本、较轻油层污染和避免井漏等优点，因此很早就被钻井界接受。

Found and recruited by the Lich King, Barathrum's uncannily speed and wraithlike power have now been unleashed upon Material Plane, his lantern able to project nether energy into enemies, sending them backwards with sudden force.

之后他被巫妖王发现并招募於其旗下，巴拉森异常的疾速与幽魂的力量得以在实境释放，他的灯笼能对敌人投射冥界的能量，以突发性的巨大力量将他们向后推送。

Found and recruited by the Lich King, Barathrum's uncanny speed and wraithlike powers have now been unleashed upon the Material Plane, his lantern able to project nether energy into enemies, sending them backwards with sudden force.

在被巫妖王发现并招至帐下以后，Barathrum不可思议的速度和幽魂般的力量得以在尘世释放。他的灯笼能向对手投射冥界的力量，将他们向后推送。

As a new-fashioned solid state lighting source, LED has many unique advantages such as nearly no pollution of the product and in the production process; resistance to vibration; easily dimmering from 0 to 100%; operating under safe extra low voltage; continuously operating under the condition of switch-off; having a fixed direction of the light output etc.

引言 LED应用于照明领域，是目前我国乃至世界照明界的热门话题，通过从业人员的不断努力，目前照明用白光LED在通常的照明工作条件下的系统效率，已达到40lm/W，再加上照明用LED制造成本的大幅下降，所以照明用白光LED已具备应用到一些照明领域的商用条件。

We can't neglect that the collective construction land contain the collective land which have been approved of converting purpose but have not been approved of expropriating.

对集体建设用地的内涵进行界定时，不能忽略现有制度下农用地转用审批后到征收审批前的集体土地也属于集体建设用地的范畴。

Most intentional fouls – grabs by beaten or outmanned defenders to abort fast breaks or halfcourt drives; hugs and muggings to prevent layups and dunks – are based on the premise that the opposing team is less likely to score two points if they have to restart their offense by inbounding the ball or step to the line for a pair of free throws than if the fast break, drive or power move had continued.

大多数故意犯规-防守队员在被突破或以少打多的情况下故意拉人，来遏制对方的快攻或突破；在对方上篮或扣篮的时候抱住对方-是基于这样的出发点：对方发界外球重新进攻或罚球很有可能得不到两分，这绝对好过让他们快攻或强打篮下而轻取两分。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。