The black-spot ore is sub-marginal economical resources and inadvisable to utilize at the present technical and economic conditions.
在现有的经济技术条件下，黑斑矿应确定为次边际经济资源，暂无开采利用价值。
The breakeven grade of tantalum for Yichun Tantalum-niobium mine is determined by the analysis of the profit and loss, and the strategy on the black-spot ore exploration is proposed.
通过盈亏平衡分析，确定宜春钽铌矿盈亏平衡品位，提出黑斑矿的处理方案。
The white paper represents our whole life and the black spot represents problems in our life.
白纸代表我们的一生，黑点代表我们生活中的问题。
As we see in the picture, a white spot is in the black area and a black spot is in the white area.
正如我们在图中所见的，一个白点在黑色区域中，一个黑点在白色区域中。
They had to look at two very similar black and grey pictures and say which one had a lighter spot.
他们要看两张非常相似的黑色和灰色的图片，说哪一个地方有一个较浅的斑点。
However, he created treasure maps with 'X' marking the spot, buried pirate treasure, and the black spot, "Konstam said."
不过，是他创造出了画着X的藏宝图，埋藏起来的海盗宝藏和黑色斑点。
With its very large black spot, this speckled coral reef dweller looks like it has a bullseye tattoo.
这位珊瑚礁“居民”身上的大黑点看上去就像是一个“靶心纹身”。
For instance a white cup with a black spot is' imperfect. 'Using design, we tell people' it is still a good cup. '.
比如带有黑色斑点的白色杯子是‘不完美’的，通过设计，我们告诉人们‘它仍是一只好杯子’。
The attenuation weak spot is the black strip in the lower left corner of the band.
天线的衰减弱点就是钢圈左下角的黑色覆盖物。
The Li men jostle to sell me supper, all of it live: white-breasted waterhens, little egrets, a black-crowned night heron and a spot-billed duck, the only duck where male and female look alike.
黎族人争相向我兜售晚餐，全部是活的：白胸苦恶鸟，小白鹭，黑冠夜鹭，斑嘴鸭，这是唯一一种雌雄看起来都很像的鸭子。
Migratory waterbirds, from bar-headed geese to ruddy shelducks, crowd into Kaziranga wetlands over the winter with spot-billed pelicans and black-necked storks.
一些迁徙的水鸟，如斑头雁和红麻鸭，会涌进卡兹兰加的湿地，与这里的斑嘴鹈鹕和黑颈鹤等常驻鸟类一起度过整个冬季；
Watering should be done in the morning. That can prevent problems called black spot and mildew.
浇灌应在早上完成。那样可以避免被称为植物黑斑病和发霉麻烦的产生。
In conclusion, SA could induce the local and systemic resistance of Yali pear and Hwangkumbae pear to defense the black spot disease.
综上所述，SA能够通过诱导鸭梨、黄金梨叶片的局部和系统抗性对梨黑斑病产生抗性。
One of the seven men who watched the flight said, "I see a black spot on the wing of the seventh dove."
七个看到鸽子飞翔的人中，有一个说："我看出第七只鸽子的翅膀上，有一个黑点。"
What is not in dispute: the iPhone 4 antenna has a weak spot in the lower-left corner of the frame, marked by the black line in the frame.
毫无争议的是：iPhone4 的天线在金属框的左下角有一个弱点，就在框上的黑线处。
Black spot indicates successive movement of sliver trough a combing cycle.
黑点表明棉条在一个精梳周期上的连续运动。
That can prevent problems called black spot and mildew.
这样可以避免黑斑病和霉菌。
One teacher entered the classroom and dotted a black spot on the whiteboard.
有位老师进了教室，在白板上点了一个黑点。
I aimed at the black spot and missed.
我瞄准了那个黑点，但没打中。
Angelica black spot is considered as a new and destructive disease of Angelica Dahurica in Sichuan in recent years.
白芷黑斑病是近年来在四川遂宁等白芷种植区普遍发生的一种新病害。
Experiments made through 1995 and 1996 indicated that the major pathogenic germ that caused black spot in Chinese cabbage was Alternaria brassicae (brek) Sacc. in Heilongjiang Provinec.
通过1995、1996两年的研究表明黑龙江省秋季大白菜引起黑斑病的主要致病菌是链格孢属的芸薹链格孢。
In this paper, the pathogenic fungi, the way of infection and spread of black spot ( Alternatia Helianthi) in sunflower, and synthetic control et al were discussed.
本文对向日葵黑斑病病原菌、分布、危害、侵染传播途径及综合防治措施等进行了叙述。
It had a black spot on it, the black spot Mr. Summers had made the night before with the heavy pencil in the coal company office.
纸片上有个黑点，那黑点正是夏莫斯先生昨天晚上在煤炭公司办事处里用重铅笔画的。
He aimed at the black spot and missed (it).
他瞄准黑点但没击中。
The accident happened on a notorious black spot on the A43.
事故发生在A43号公路上一个出了名的事故多发地段。 。
Black spot of rose, as one of the major diseases of rose, is a worldwide disease.
作为月季的主要病害之一，月季黑斑病已经是世界性的病害。
The coastal guard kept a watchful eye on the black spot that had appeared out at sea.
海防战士警觉地注视着出现在海面上的黑点。
Gaolan No. 2 seedlings showed slightly lower growth rate but lower natural incidence by black spot and leaf rust than that of Wuqi Non and Xining No 5 seedlings.
皋兰2号种苗次之，但皋兰2号种苗对黑斑病和叶锈病的自然发病率又低于吴旗11号和西宁5号种苗。
Gaolan No. 2 seedlings showed slightly lower growth rate but lower natural incidence by black spot and leaf rust than that of Wuqi Non and Xining No 5 seedlings.
皋兰2号种苗次之，但皋兰2号种苗对黑斑病和叶锈病的自然发病率又低于吴旗11号和西宁5号种苗。
应用推荐