标枪

H2O, extracted from the seeds of the African trees Strophanthus gratus and Acokanthera ouabaio,that is used as a heart stimulant and by some African peoples as a dart po is on.

H2O，从非洲树木旋花羊角拗和尖药木的种子提炼出，用作强心剂并被一些非洲人用来制作标枪的有毒涂抹物

Um when it was their javelin throwers' turns, hoping the extra tail wind might assist the Soviet spears.

到了80年代，前苏联官员被指出在本国运动员出场投掷标枪时，把莫斯科体育场的后门打开，让更多的顺风吹进来助其一臂之力。

After that, we also watched many exciting games, such as: high jump, triple jump, javelin, and so on.

之后，我们又观看了许多精彩的项目，如：跳高、三级跳、标枪等，让我们大饱眼福。

They invented the aerodynamic boomerang and a type of spear thrower called the woomera.

他们发明了符合空气动力原理的回旋镖和一种称为武麦拉的投掷标枪。

Invented in ancient Greece and resembling nothing more than a giant crossbow, the Ballista is capable of flinging a javelin with lethal force well over 100 meters!

由古希腊人发明的，形状类似于巨大的十字弩。蝎子弩射出的标枪有效距离超过100米！

With lancelike leaf, green but silver underneath

带着标枪似的绿叶，叶背泛着银色

Armed with a short throwing spear and Macana club, they are armoured with light cloth armour and a small shield.

玛雅标枪兵使用短矛和玛卡纳短棍，装备棉质镶甲和小型皮盾。

He's the best javelin thrower in U.S. history, having medaled at the 2007 World Championships (the Scandinavians rule the sport).

在2007年世锦赛上得奖之后，他成了美国历史上最优秀的标枪运动员。

The A-Darter will still notionally equip SAAF Gripens, but a long-awaited series of initial flight tests have yet to occur and the future of the programme is in doubt.

A-标枪手理论上将装备南非空军的鹰狮战斗机，但是被期待已久的首飞测试仍然是遥遥无期，整个项目的未来仍充满变数。

Work on this weapon has been under way since the 1990s but it has been crippled by a lack of funding and a SAAF requirement that has not always been clear. The A-Darter will still notionally equip SAAF Gripens, but a long-awaited series of initial flight tests have yet to occur and the future of the programme is in doubt.

这种导弹的研制工作从上世纪90年代就开始秘密进行了，但由于缺少资金以及南非空军变幻不定的需求而步履蹒跚。A-标枪手理论上将装备南非空军的鹰狮战斗机，但是被期待已久的首飞测试仍然是遥遥无期，整个项目的未来仍充满变数。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。