近等基因系分析法(near isogenic line,NIL)
第1题:
In which voyage,between two points,is the rhumb line distance NOT approximately the same as the great circle distance?_____.
A.The two points are in low latitudes in the same hemisphere
B.The two points are in high latitudes in the same hemisphere
C.The two points are near the equator,but in different hemispheres
D.One point is near the equator,one point is in a high latitude,and both are near the 180th meridian
第2题:
近滨(near shore)
第3题:
通过杂交-互交或回交等方式将一个基因导入到近交系中,由此形成的一个新的近交系与原来的近交系只是在一个很小的染色体片段上的基因不同,称为()。
第4题:
二体附加系(disomic additive line)
第5题:
近点(near point of vision)
第6题:
Easily plotted on a Mercator chart
Negligible increase in distance on east-west courses near the equator
Does not require constant course changes
Plots as a straight line on Lambert conformal charts
第7题:
butterfly valve
globe valve
gate valve
non-return valve
第8题:
第9题:
第10题:
第11题:
latitude scale near the middle of the track line
longitude scale near the middle of the track line
latitude scale at the midlatitude of the chart
latitude or longitude scale at the middle of the scale
第12题:
第13题:
Line throwing equipment should not be operated ______.
A.during a rain storm
B.in an explosive atmosphere
C.near a lifeboat station
D.by other than licensed officers
第14题:
每个近交系都有各自的遗传概貌(包括毛色基因、生化基因等),选用适当的遗传监测方法,即可分辨各个近交系。
第15题:
易位系(translocation line)
第16题:
异附加系(alien addition line)
第17题:
the plants that are destroyed by road construction
the animals that may be displaced by a new road
economic and industrial trends
the substances that constitute the road
the companies involved in constructing the road
第18题:
第19题:
the low inertia
the high inertia
the low velocity
the high velocity
第20题:
第21题:
第22题:
needles are nearly in line with the meridian
vessel is near the magnetic poles
variation is near zero
vessel is near the magnetic equator
第23题: