The Encyclopedia Americana: A Library of Universal Knowledge, Količina 1Americana corporation, 1931 |
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Zadetki 1–3 od 78
Stran 185
... called passive fliers , because they carry no motive power , but ride passively on the air by the force of gravity or a towline . The second group comprises the bird - like flap- wing machines called orthopters " ; the screw- lift fliers ...
... called passive fliers , because they carry no motive power , but ride passively on the air by the force of gravity or a towline . The second group comprises the bird - like flap- wing machines called orthopters " ; the screw- lift fliers ...
Stran 391
... ( called the char- acteristic ) , the fractional part ( called the man- tissa ) being the same in both . In that fact re- sides the chief practical advantage of the Briggs- ian system . For example , if log102.23.3483 , it follows that ...
... ( called the char- acteristic ) , the fractional part ( called the man- tissa ) being the same in both . In that fact re- sides the chief practical advantage of the Briggs- ian system . For example , if log102.23.3483 , it follows that ...
Stran 449
... called microspores or pollen grains . The microspore is the first cell of the male gametophyte . The larger cone , called the female or ovulate cone , consists of an axis bearing much reduced leaves , in the axil of each of which is a ...
... called microspores or pollen grains . The microspore is the first cell of the male gametophyte . The larger cone , called the female or ovulate cone , consists of an axis bearing much reduced leaves , in the axil of each of which is a ...
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